Finding the Third Proportional to 15,617.81 and 23,416.59

Step by Step Solution

1. Step 1: Write the proportion equation
   15,617.81 : 23,416.59 = 23,416.59 : x
2. Step 2: Convert to fraction form
   15,617.81/23,416.59 = 23,416.59/x
3. Step 3: Cross multiply
   15,617.81x = 23,416.59 × 23,416.59
4. Step 4: Simplify right side
   15,617.81x = 548,336,862.85
5. Step 5: Solve for x
   x = 548,336,862.85/15,617.81
6. Step 6: Final answer
   x = 35,109.71