Finding the Third Proportional to 71,404.50 and 155,931

Step by Step Solution

1. Step 1: Write the proportion equation
   71,404.50 : 155,931 = 155,931 : x
2. Step 2: Convert to fraction form
   71,404.50/155,931 = 155,931/x
3. Step 3: Cross multiply
   71,404.50x = 155,931 × 155,931
4. Step 4: Simplify right side
   71,404.50x = 24,314,476,761
5. Step 5: Solve for x
   x = 24,314,476,761/71,404.50
6. Step 6: Final answer
   x = 340,517.43