Finding the Third Proportional to 40,520 and 61,320

Step by Step Solution

1. Step 1: Write the proportion equation
   40,520 : 61,320 = 61,320 : x
2. Step 2: Convert to fraction form
   40,520/61,320 = 61,320/x
3. Step 3: Cross multiply
   40,520x = 61,320 × 61,320
4. Step 4: Simplify right side
   40,520x = 3,760,142,400
5. Step 5: Solve for x
   x = 3,760,142,400/40,520
6. Step 6: Final answer
   x = 92,797.20