Finding the Third Proportional to 22,245.89 and 39,545.40

Step by Step Solution

1. Step 1: Write the proportion equation
   22,245.89 : 39,545.40 = 39,545.40 : x
2. Step 2: Convert to fraction form
   22,245.89/39,545.40 = 39,545.40/x
3. Step 3: Cross multiply
   22,245.89x = 39,545.40 × 39,545.40
4. Step 4: Simplify right side
   22,245.89x = 1,563,838,846.53
5. Step 5: Solve for x
   x = 1,563,838,846.53/22,245.89
6. Step 6: Final answer
   x = 70,297.88