Finding the Third Proportional to 71,159.13 and 152,869.78

Step by Step Solution

1. Step 1: Write the proportion equation
   71,159.13 : 152,869.78 = 152,869.78 : x
2. Step 2: Convert to fraction form
   71,159.13/152,869.78 = 152,869.78/x
3. Step 3: Cross multiply
   71,159.13x = 152,869.78 × 152,869.78
4. Step 4: Simplify right side
   71,159.13x = 23,369,170,019.42
5. Step 5: Solve for x
   x = 23,369,170,019.42/71,159.13
6. Step 6: Final answer
   x = 328,407.18