Finding the Third Proportional to 636,862.50 and 929,043

Step by Step Solution

1. Step 1: Write the proportion equation
   636,862.50 : 929,043 = 929,043 : x
2. Step 2: Convert to fraction form
   636,862.50/929,043 = 929,043/x
3. Step 3: Cross multiply
   636,862.50x = 929,043 × 929,043
4. Step 4: Simplify right side
   636,862.50x = 863,120,895,849
5. Step 5: Solve for x
   x = 863,120,895,849/636,862.50
6. Step 6: Final answer
   x = 1,355,270.40