Finding the Third Proportional to 8,391,485,413,188 and 18,260,607,451,149

Step by Step Solution

1. Step 1: Write the proportion equation
   8,391,485,413,188 : 18,260,607,451,149 = 18,260,607,451,149 : x
2. Step 2: Convert to fraction form
   8,391,485,413,188/18,260,607,451,149 = 18,260,607,451,149/x
3. Step 3: Cross multiply
   8,391,485,413,188x = 18,260,607,451,149 × 18,260,607,451,149
4. Step 4: Simplify right side
   8,391,485,413,188x = 333,449,784,484,958,404,551,376,896
5. Step 5: Solve for x
   x = 333,449,784,484,958,404,551,376,896/8,391,485,413,188
6. Step 6: Final answer
   x = 39,736,681,656,016.59