Finding the Third Proportional to 83,290 and 124,799

Step by Step Solution

1. Step 1: Write the proportion equation
   83,290 : 124,799 = 124,799 : x
2. Step 2: Convert to fraction form
   83,290/124,799 = 124,799/x
3. Step 3: Cross multiply
   83,290x = 124,799 × 124,799
4. Step 4: Simplify right side
   83,290x = 15,574,790,401
5. Step 5: Solve for x
   x = 15,574,790,401/83,290
6. Step 6: Final answer
   x = 186,994.72