Finding the Third Proportional to 60,862 and 90,782

Step by Step Solution

1. Step 1: Write the proportion equation
   60,862 : 90,782 = 90,782 : x
2. Step 2: Convert to fraction form
   60,862/90,782 = 90,782/x
3. Step 3: Cross multiply
   60,862x = 90,782 × 90,782
4. Step 4: Simplify right side
   60,862x = 8,241,371,524
5. Step 5: Solve for x
   x = 8,241,371,524/60,862
6. Step 6: Final answer
   x = 135,410.79