Finding the Third Proportional to 465,480 and 711,753.75

Step by Step Solution

1. Step 1: Write the proportion equation
   465,480 : 711,753.75 = 711,753.75 : x
2. Step 2: Convert to fraction form
   465,480/711,753.75 = 711,753.75/x
3. Step 3: Cross multiply
   465,480x = 711,753.75 × 711,753.75
4. Step 4: Simplify right side
   465,480x = 506,593,400,639.06
5. Step 5: Solve for x
   x = 506,593,400,639.06/465,480
6. Step 6: Final answer
   x = 1,088,324.74