Finding the Third Proportional to 323,703 and 711,193.50

Step by Step Solution

1. Step 1: Write the proportion equation
   323,703 : 711,193.50 = 711,193.50 : x
2. Step 2: Convert to fraction form
   323,703/711,193.50 = 711,193.50/x
3. Step 3: Cross multiply
   323,703x = 711,193.50 × 711,193.50
4. Step 4: Simplify right side
   323,703x = 505,796,194,442.25
5. Step 5: Solve for x
   x = 505,796,194,442.25/323,703
6. Step 6: Final answer
   x = 1,562,531.69