Finding the Third Proportional to 30,808.13 and 63,076.13

Step by Step Solution

1. Step 1: Write the proportion equation
   30,808.13 : 63,076.13 = 63,076.13 : x
2. Step 2: Convert to fraction form
   30,808.13/63,076.13 = 63,076.13/x
3. Step 3: Cross multiply
   30,808.13x = 63,076.13 × 63,076.13
4. Step 4: Simplify right side
   30,808.13x = 3,978,597,545.02
5. Step 5: Solve for x
   x = 3,978,597,545.02/30,808.13
6. Step 6: Final answer
   x = 129,141.18