Finding the Third Proportional to 2,503,287.50 and 5,139,280.50

Step by Step Solution

1. Step 1: Write the proportion equation
   2,503,287.50 : 5,139,280.50 = 5,139,280.50 : x
2. Step 2: Convert to fraction form
   2,503,287.50/5,139,280.50 = 5,139,280.50/x
3. Step 3: Cross multiply
   2,503,287.50x = 5,139,280.50 × 5,139,280.50
4. Step 4: Simplify right side
   2,503,287.50x = 26,412,204,057,680.25
5. Step 5: Solve for x
   x = 26,412,204,057,680.25/2,503,287.50
6. Step 6: Final answer
   x = 10,551,007.05