Finding the Third Proportional to 82,123.50 and 124,407

Step by Step Solution

1. Step 1: Write the proportion equation
   82,123.50 : 124,407 = 124,407 : x
2. Step 2: Convert to fraction form
   82,123.50/124,407 = 124,407/x
3. Step 3: Cross multiply
   82,123.50x = 124,407 × 124,407
4. Step 4: Simplify right side
   82,123.50x = 15,477,101,649
5. Step 5: Solve for x
   x = 15,477,101,649/82,123.50
6. Step 6: Final answer
   x = 188,461.30