Finding the Third Proportional to 30,608 and 63,180

Step by Step Solution

1. Step 1: Write the proportion equation
   30,608 : 63,180 = 63,180 : x
2. Step 2: Convert to fraction form
   30,608/63,180 = 63,180/x
3. Step 3: Cross multiply
   30,608x = 63,180 × 63,180
4. Step 4: Simplify right side
   30,608x = 3,991,712,400
5. Step 5: Solve for x
   x = 3,991,712,400/30,608
6. Step 6: Final answer
   x = 130,414.02