Finding the Third Proportional to 152,918.50 and 359,785.25

Step by Step Solution

1. Step 1: Write the proportion equation
   152,918.50 : 359,785.25 = 359,785.25 : x
2. Step 2: Convert to fraction form
   152,918.50/359,785.25 = 359,785.25/x
3. Step 3: Cross multiply
   152,918.50x = 359,785.25 × 359,785.25
4. Step 4: Simplify right side
   152,918.50x = 129,445,426,117.56
5. Step 5: Solve for x
   x = 129,445,426,117.56/152,918.50
6. Step 6: Final answer
   x = 846,499.45