Finding the Third Proportional to 323,897.25 and 711,562.50

Step by Step Solution

1. Step 1: Write the proportion equation
   323,897.25 : 711,562.50 = 711,562.50 : x
2. Step 2: Convert to fraction form
   323,897.25/711,562.50 = 711,562.50/x
3. Step 3: Cross multiply
   323,897.25x = 711,562.50 × 711,562.50
4. Step 4: Simplify right side
   323,897.25x = 506,321,191,406.25
5. Step 5: Solve for x
   x = 506,321,191,406.25/323,897.25
6. Step 6: Final answer
   x = 1,563,215.47