Finding the Third Proportional to 56,820 and 124,007

Step by Step Solution

1. Step 1: Write the proportion equation
   56,820 : 124,007 = 124,007 : x
2. Step 2: Convert to fraction form
   56,820/124,007 = 124,007/x
3. Step 3: Cross multiply
   56,820x = 124,007 × 124,007
4. Step 4: Simplify right side
   56,820x = 15,377,736,049
5. Step 5: Solve for x
   x = 15,377,736,049/56,820
6. Step 6: Final answer
   x = 270,639.49