Finding the Third Proportional to 2,545.17 and 4,317.05

Step by Step Solution

1. Step 1: Write the proportion equation
   2,545.17 : 4,317.05 = 4,317.05 : x
2. Step 2: Convert to fraction form
   2,545.17/4,317.05 = 4,317.05/x
3. Step 3: Cross multiply
   2,545.17x = 4,317.05 × 4,317.05
4. Step 4: Simplify right side
   2,545.17x = 18,636,893.72
5. Step 5: Solve for x
   x = 18,636,893.72/2,545.17
6. Step 6: Final answer
   x = 7,322.45