Finding the Third Proportional to 30,658.50 and 64,101.38

Step by Step Solution

1. Step 1: Write the proportion equation
   30,658.50 : 64,101.38 = 64,101.38 : x
2. Step 2: Convert to fraction form
   30,658.50/64,101.38 = 64,101.38/x
3. Step 3: Cross multiply
   30,658.50x = 64,101.38 × 64,101.38
4. Step 4: Simplify right side
   30,658.50x = 4,108,986,276.89
5. Step 5: Solve for x
   x = 4,108,986,276.89/30,658.50
6. Step 6: Final answer
   x = 134,024.37