Finding the Third Proportional to 2,545.80 and 5,347.90

Step by Step Solution

1. Step 1: Write the proportion equation
   2,545.80 : 5,347.90 = 5,347.90 : x
2. Step 2: Convert to fraction form
   2,545.80/5,347.90 = 5,347.90/x
3. Step 3: Cross multiply
   2,545.80x = 5,347.90 × 5,347.90
4. Step 4: Simplify right side
   2,545.80x = 28,600,017.70
5. Step 5: Solve for x
   x = 28,600,017.70/2,545.80
6. Step 6: Final answer
   x = 11,234.18