Finding the Third Proportional to 543,108 and 759,658.50

Step by Step Solution

1. Step 1: Write the proportion equation
   543,108 : 759,658.50 = 759,658.50 : x
2. Step 2: Convert to fraction form
   543,108/759,658.50 = 759,658.50/x
3. Step 3: Cross multiply
   543,108x = 759,658.50 × 759,658.50
4. Step 4: Simplify right side
   543,108x = 577,081,036,622.25
5. Step 5: Solve for x
   x = 577,081,036,622.25/543,108
6. Step 6: Final answer
   x = 1,062,553.00