Finding the Third Proportional to 465,581 and 711,908.50

Step by Step Solution

1. Step 1: Write the proportion equation
   465,581 : 711,908.50 = 711,908.50 : x
2. Step 2: Convert to fraction form
   465,581/711,908.50 = 711,908.50/x
3. Step 3: Cross multiply
   465,581x = 711,908.50 × 711,908.50
4. Step 4: Simplify right side
   465,581x = 506,813,712,372.25
5. Step 5: Solve for x
   x = 506,813,712,372.25/465,581
6. Step 6: Final answer
   x = 1,088,561.85