Finding the Third Proportional to 465,435 and 711,688.50

Step by Step Solution

1. Step 1: Write the proportion equation
   465,435 : 711,688.50 = 711,688.50 : x
2. Step 2: Convert to fraction form
   465,435/711,688.50 = 711,688.50/x
3. Step 3: Cross multiply
   465,435x = 711,688.50 × 711,688.50
4. Step 4: Simplify right side
   465,435x = 506,500,521,032.25
5. Step 5: Solve for x
   x = 506,500,521,032.25/465,435
6. Step 6: Final answer
   x = 1,088,230.41