Finding the Third Proportional to 81,874 and 124,998

Step by Step Solution

1. Step 1: Write the proportion equation
   81,874 : 124,998 = 124,998 : x
2. Step 2: Convert to fraction form
   81,874/124,998 = 124,998/x
3. Step 3: Cross multiply
   81,874x = 124,998 × 124,998
4. Step 4: Simplify right side
   81,874x = 15,624,500,004
5. Step 5: Solve for x
   x = 15,624,500,004/81,874
6. Step 6: Final answer
   x = 190,835.92