Finding the Third Proportional to 6,602.50 and 10,617

Step by Step Solution

1. Step 1: Write the proportion equation
   6,602.50 : 10,617 = 10,617 : x
2. Step 2: Convert to fraction form
   6,602.50/10,617 = 10,617/x
3. Step 3: Cross multiply
   6,602.50x = 10,617 × 10,617
4. Step 4: Simplify right side
   6,602.50x = 112,720,689
5. Step 5: Solve for x
   x = 112,720,689/6,602.50
6. Step 6: Final answer
   x = 17,072.43