Finding the Third Proportional to 40,140 and 59,629

Step by Step Solution

1. Step 1: Write the proportion equation
   40,140 : 59,629 = 59,629 : x
2. Step 2: Convert to fraction form
   40,140/59,629 = 59,629/x
3. Step 3: Cross multiply
   40,140x = 59,629 × 59,629
4. Step 4: Simplify right side
   40,140x = 3,555,617,641
5. Step 5: Solve for x
   x = 3,555,617,641/40,140
6. Step 6: Final answer
   x = 88,580.41