Finding the Third Proportional to 40,718 and 59,619

Step by Step Solution

1. Step 1: Write the proportion equation
   40,718 : 59,619 = 59,619 : x
2. Step 2: Convert to fraction form
   40,718/59,619 = 59,619/x
3. Step 3: Cross multiply
   40,718x = 59,619 × 59,619
4. Step 4: Simplify right side
   40,718x = 3,554,425,161
5. Step 5: Solve for x
   x = 3,554,425,161/40,718
6. Step 6: Final answer
   x = 87,293.71