Finding the Third Proportional to 8,411.34 and 12,617.02

Step by Step Solution

1. Step 1: Write the proportion equation
   8,411.34 : 12,617.02 = 12,617.02 : x
2. Step 2: Convert to fraction form
   8,411.34/12,617.02 = 12,617.02/x
3. Step 3: Cross multiply
   8,411.34x = 12,617.02 × 12,617.02
4. Step 4: Simplify right side
   8,411.34x = 159,189,083.28
5. Step 5: Solve for x
   x = 159,189,083.28/8,411.34
6. Step 6: Final answer
   x = 18,925.52