Finding the Third Proportional to 40,142 and 61,860

Step by Step Solution

1. Step 1: Write the proportion equation
   40,142 : 61,860 = 61,860 : x
2. Step 2: Convert to fraction form
   40,142/61,860 = 61,860/x
3. Step 3: Cross multiply
   40,142x = 61,860 × 61,860
4. Step 4: Simplify right side
   40,142x = 3,826,659,600
5. Step 5: Solve for x
   x = 3,826,659,600/40,142
6. Step 6: Final answer
   x = 95,328.08