Finding the Third Proportional to 34,708.50 and 71,877.38

Step by Step Solution

1. Step 1: Write the proportion equation
   34,708.50 : 71,877.38 = 71,877.38 : x
2. Step 2: Convert to fraction form
   34,708.50/71,877.38 = 71,877.38/x
3. Step 3: Cross multiply
   34,708.50x = 71,877.38 × 71,877.38
4. Step 4: Simplify right side
   34,708.50x = 5,166,357,036.89
5. Step 5: Solve for x
   x = 5,166,357,036.89/34,708.50
6. Step 6: Final answer
   x = 148,849.91