Finding the Third Proportional to 2,620,912.50 and 5,726,745

Step by Step Solution

1. Step 1: Write the proportion equation
   2,620,912.50 : 5,726,745 = 5,726,745 : x
2. Step 2: Convert to fraction form
   2,620,912.50/5,726,745 = 5,726,745/x
3. Step 3: Cross multiply
   2,620,912.50x = 5,726,745 × 5,726,745
4. Step 4: Simplify right side
   2,620,912.50x = 32,795,608,295,025
5. Step 5: Solve for x
   x = 32,795,608,295,025/2,620,912.50
6. Step 6: Final answer
   x = 12,513,049.67