Finding the Third Proportional to 54,790 and 82,500

Step by Step Solution

1. Step 1: Write the proportion equation
   54,790 : 82,500 = 82,500 : x
2. Step 2: Convert to fraction form
   54,790/82,500 = 82,500/x
3. Step 3: Cross multiply
   54,790x = 82,500 × 82,500
4. Step 4: Simplify right side
   54,790x = 6,806,250,000
5. Step 5: Solve for x
   x = 6,806,250,000/54,790
6. Step 6: Final answer
   x = 124,224.31