Finding the Third Proportional to 30,188 and 62,500

Step by Step Solution

1. Step 1: Write the proportion equation
   30,188 : 62,500 = 62,500 : x
2. Step 2: Convert to fraction form
   30,188/62,500 = 62,500/x
3. Step 3: Cross multiply
   30,188x = 62,500 × 62,500
4. Step 4: Simplify right side
   30,188x = 3,906,250,000
5. Step 5: Solve for x
   x = 3,906,250,000/30,188
6. Step 6: Final answer
   x = 129,397.44