Finding the Third Proportional to 152,719.50 and 328,041

Step by Step Solution

1. Step 1: Write the proportion equation
   152,719.50 : 328,041 = 328,041 : x
2. Step 2: Convert to fraction form
   152,719.50/328,041 = 328,041/x
3. Step 3: Cross multiply
   152,719.50x = 328,041 × 328,041
4. Step 4: Simplify right side
   152,719.50x = 107,610,897,681
5. Step 5: Solve for x
   x = 107,610,897,681/152,719.50
6. Step 6: Final answer
   x = 704,631.02