Finding the Third Proportional to 40,080 and 59,790

Step by Step Solution

1. Step 1: Write the proportion equation
   40,080 : 59,790 = 59,790 : x
2. Step 2: Convert to fraction form
   40,080/59,790 = 59,790/x
3. Step 3: Cross multiply
   40,080x = 59,790 × 59,790
4. Step 4: Simplify right side
   40,080x = 3,574,844,100
5. Step 5: Solve for x
   x = 3,574,844,100/40,080
6. Step 6: Final answer
   x = 89,192.72