Finding the Third Proportional to 30,580 and 63,122

Step by Step Solution

1. Step 1: Write the proportion equation
   30,580 : 63,122 = 63,122 : x
2. Step 2: Convert to fraction form
   30,580/63,122 = 63,122/x
3. Step 3: Cross multiply
   30,580x = 63,122 × 63,122
4. Step 4: Simplify right side
   30,580x = 3,984,386,884
5. Step 5: Solve for x
   x = 3,984,386,884/30,580
6. Step 6: Final answer
   x = 130,293.88