Finding the Third Proportional to 465,684 and 711,889.50

Step by Step Solution

1. Step 1: Write the proportion equation
   465,684 : 711,889.50 = 711,889.50 : x
2. Step 2: Convert to fraction form
   465,684/711,889.50 = 711,889.50/x
3. Step 3: Cross multiply
   465,684x = 711,889.50 × 711,889.50
4. Step 4: Simplify right side
   465,684x = 506,786,660,210.25
5. Step 5: Solve for x
   x = 506,786,660,210.25/465,684
6. Step 6: Final answer
   x = 1,088,262.99