Finding the Third Proportional to 152,359.13 and 328,131.38

Step by Step Solution

1. Step 1: Write the proportion equation
   152,359.13 : 328,131.38 = 328,131.38 : x
2. Step 2: Convert to fraction form
   152,359.13/328,131.38 = 328,131.38/x
3. Step 3: Cross multiply
   152,359.13x = 328,131.38 × 328,131.38
4. Step 4: Simplify right side
   152,359.13x = 107,670,199,259.39
5. Step 5: Solve for x
   x = 107,670,199,259.39/152,359.13
6. Step 6: Final answer
   x = 706,686.91