Finding the Third Proportional to 2,503,289.25 and 5,139,283.50

Step by Step Solution

1. Step 1: Write the proportion equation
   2,503,289.25 : 5,139,283.50 = 5,139,283.50 : x
2. Step 2: Convert to fraction form
   2,503,289.25/5,139,283.50 = 5,139,283.50/x
3. Step 3: Cross multiply
   2,503,289.25x = 5,139,283.50 × 5,139,283.50
4. Step 4: Simplify right side
   2,503,289.25x = 26,412,234,893,372.25
5. Step 5: Solve for x
   x = 26,412,234,893,372.25/2,503,289.25
6. Step 6: Final answer
   x = 10,551,011.99