Finding the Third Proportional to 71,364.38 and 155,440.69

Step by Step Solution

1. Step 1: Write the proportion equation
   71,364.38 : 155,440.69 = 155,440.69 : x
2. Step 2: Convert to fraction form
   71,364.38/155,440.69 = 155,440.69/x
3. Step 3: Cross multiply
   71,364.38x = 155,440.69 × 155,440.69
4. Step 4: Simplify right side
   71,364.38x = 24,161,807,330.47
5. Step 5: Solve for x
   x = 24,161,807,330.47/71,364.38
6. Step 6: Final answer
   x = 338,569.59