Finding the Third Proportional to 74,786,429 and 111,880,687.50

Step by Step Solution

1. Step 1: Write the proportion equation
   74,786,429 : 111,880,687.50 = 111,880,687.50 : x
2. Step 2: Convert to fraction form
   74,786,429/111,880,687.50 = 111,880,687.50/x
3. Step 3: Cross multiply
   74,786,429x = 111,880,687.50 × 111,880,687.50
4. Step 4: Simplify right side
   74,786,429x = 12,517,288,235,472,656
5. Step 5: Solve for x
   x = 12,517,288,235,472,656/74,786,429
6. Step 6: Final answer
   x = 167,373,792.32