Finding the Third Proportional to 8,917,545 and 13,664,155.50

Step by Step Solution

1. Step 1: Write the proportion equation
   8,917,545 : 13,664,155.50 = 13,664,155.50 : x
2. Step 2: Convert to fraction form
   8,917,545/13,664,155.50 = 13,664,155.50/x
3. Step 3: Cross multiply
   8,917,545x = 13,664,155.50 × 13,664,155.50
4. Step 4: Simplify right side
   8,917,545x = 186,709,145,528,180.25
5. Step 5: Solve for x
   x = 186,709,145,528,180.25/8,917,545
6. Step 6: Final answer
   x = 20,937,281.00