Finding the Third Proportional to 152,779.50 and 328,962

Step by Step Solution

1. Step 1: Write the proportion equation
   152,779.50 : 328,962 = 328,962 : x
2. Step 2: Convert to fraction form
   152,779.50/328,962 = 328,962/x
3. Step 3: Cross multiply
   152,779.50x = 328,962 × 328,962
4. Step 4: Simplify right side
   152,779.50x = 108,215,997,444
5. Step 5: Solve for x
   x = 108,215,997,444/152,779.50
6. Step 6: Final answer
   x = 708,314.91