Finding the Third Proportional to 113,820 and 124,026

Step by Step Solution

1. Step 1: Write the proportion equation
   113,820 : 124,026 = 124,026 : x
2. Step 2: Convert to fraction form
   113,820/124,026 = 124,026/x
3. Step 3: Cross multiply
   113,820x = 124,026 × 124,026
4. Step 4: Simplify right side
   113,820x = 15,382,448,676
5. Step 5: Solve for x
   x = 15,382,448,676/113,820
6. Step 6: Final answer
   x = 135,147.15