Finding the Third Proportional to 40,242 and 59,131

Step by Step Solution

1. Step 1: Write the proportion equation
   40,242 : 59,131 = 59,131 : x
2. Step 2: Convert to fraction form
   40,242/59,131 = 59,131/x
3. Step 3: Cross multiply
   40,242x = 59,131 × 59,131
4. Step 4: Simplify right side
   40,242x = 3,496,475,161
5. Step 5: Solve for x
   x = 3,496,475,161/40,242
6. Step 6: Final answer
   x = 86,886.22