Finding the Third Proportional to 156,739.50 and 343,524

Step by Step Solution

1. Step 1: Write the proportion equation
   156,739.50 : 343,524 = 343,524 : x
2. Step 2: Convert to fraction form
   156,739.50/343,524 = 343,524/x
3. Step 3: Cross multiply
   156,739.50x = 343,524 × 343,524
4. Step 4: Simplify right side
   156,739.50x = 118,008,738,576
5. Step 5: Solve for x
   x = 118,008,738,576/156,739.50
6. Step 6: Final answer
   x = 752,897.25