Finding the Third Proportional to 82,239 and 124,258.50

Step by Step Solution

1. Step 1: Write the proportion equation
   82,239 : 124,258.50 = 124,258.50 : x
2. Step 2: Convert to fraction form
   82,239/124,258.50 = 124,258.50/x
3. Step 3: Cross multiply
   82,239x = 124,258.50 × 124,258.50
4. Step 4: Simplify right side
   82,239x = 15,440,174,822.25
5. Step 5: Solve for x
   x = 15,440,174,822.25/82,239
6. Step 6: Final answer
   x = 187,747.60