Finding the Third Proportional to 12,285,153 and 18,112,801.50

Step by Step Solution

1. Step 1: Write the proportion equation
   12,285,153 : 18,112,801.50 = 18,112,801.50 : x
2. Step 2: Convert to fraction form
   12,285,153/18,112,801.50 = 18,112,801.50/x
3. Step 3: Cross multiply
   12,285,153x = 18,112,801.50 × 18,112,801.50
4. Step 4: Simplify right side
   12,285,153x = 328,073,578,178,402.25
5. Step 5: Solve for x
   x = 328,073,578,178,402.25/12,285,153
6. Step 6: Final answer
   x = 26,704,883.38