Finding the Third Proportional to 2,569,916 and 5,481,823.50

Step by Step Solution

1. Step 1: Write the proportion equation
   2,569,916 : 5,481,823.50 = 5,481,823.50 : x
2. Step 2: Convert to fraction form
   2,569,916/5,481,823.50 = 5,481,823.50/x
3. Step 3: Cross multiply
   2,569,916x = 5,481,823.50 × 5,481,823.50
4. Step 4: Simplify right side
   2,569,916x = 30,050,388,885,152.25
5. Step 5: Solve for x
   x = 30,050,388,885,152.25/2,569,916
6. Step 6: Final answer
   x = 11,693,140.51