Finding the Third Proportional to 323,897.50 and 711,563

Step by Step Solution

1. Step 1: Write the proportion equation
   323,897.50 : 711,563 = 711,563 : x
2. Step 2: Convert to fraction form
   323,897.50/711,563 = 711,563/x
3. Step 3: Cross multiply
   323,897.50x = 711,563 × 711,563
4. Step 4: Simplify right side
   323,897.50x = 506,321,902,969
5. Step 5: Solve for x
   x = 506,321,902,969/323,897.50
6. Step 6: Final answer
   x = 1,563,216.46