Finding the Third Proportional to 82,851.19 and 124,139.25

Step by Step Solution

1. Step 1: Write the proportion equation
   82,851.19 : 124,139.25 = 124,139.25 : x
2. Step 2: Convert to fraction form
   82,851.19/124,139.25 = 124,139.25/x
3. Step 3: Cross multiply
   82,851.19x = 124,139.25 × 124,139.25
4. Step 4: Simplify right side
   82,851.19x = 15,410,553,390.56
5. Step 5: Solve for x
   x = 15,410,553,390.56/82,851.19
6. Step 6: Final answer
   x = 186,002.81