Finding the Third Proportional to 465,474 and 711,742.50

Step by Step Solution

1. Step 1: Write the proportion equation
   465,474 : 711,742.50 = 711,742.50 : x
2. Step 2: Convert to fraction form
   465,474/711,742.50 = 711,742.50/x
3. Step 3: Cross multiply
   465,474x = 711,742.50 × 711,742.50
4. Step 4: Simplify right side
   465,474x = 506,577,386,306.25
5. Step 5: Solve for x
   x = 506,577,386,306.25/465,474
6. Step 6: Final answer
   x = 1,088,304.37