Finding the Third Proportional to 70,860 and 155,542.50

Step by Step Solution

1. Step 1: Write the proportion equation
   70,860 : 155,542.50 = 155,542.50 : x
2. Step 2: Convert to fraction form
   70,860/155,542.50 = 155,542.50/x
3. Step 3: Cross multiply
   70,860x = 155,542.50 × 155,542.50
4. Step 4: Simplify right side
   70,860x = 24,193,469,306.25
5. Step 5: Solve for x
   x = 24,193,469,306.25/70,860
6. Step 6: Final answer
   x = 341,426.32