Finding the Third Proportional to 8,391,485,413,339.50 and 18,260,607,451,426

Step by Step Solution

1. Step 1: Write the proportion equation
   8,391,485,413,339.50 : 18,260,607,451,426 = 18,260,607,451,426 : x
2. Step 2: Convert to fraction form
   8,391,485,413,339.50/18,260,607,451,426 = 18,260,607,451,426/x
3. Step 3: Cross multiply
   8,391,485,413,339.50x = 18,260,607,451,426 × 18,260,607,451,426
4. Step 4: Simplify right side
   8,391,485,413,339.50x = 333,449,784,495,074,736,160,636,928
5. Step 5: Solve for x
   x = 333,449,784,495,074,736,160,636,928/8,391,485,413,339.50
6. Step 6: Final answer
   x = 39,736,681,656,504.73