Finding the Third Proportional to 40,280 and 59,186

Step by Step Solution

1. Step 1: Write the proportion equation
   40,280 : 59,186 = 59,186 : x
2. Step 2: Convert to fraction form
   40,280/59,186 = 59,186/x
3. Step 3: Cross multiply
   40,280x = 59,186 × 59,186
4. Step 4: Simplify right side
   40,280x = 3,502,982,596
5. Step 5: Solve for x
   x = 3,502,982,596/40,280
6. Step 6: Final answer
   x = 86,965.80