Finding the Third Proportional to 12,209,078.25 and 25,422,912

Step by Step Solution

1. Step 1: Write the proportion equation
   12,209,078.25 : 25,422,912 = 25,422,912 : x
2. Step 2: Convert to fraction form
   12,209,078.25/25,422,912 = 25,422,912/x
3. Step 3: Cross multiply
   12,209,078.25x = 25,422,912 × 25,422,912
4. Step 4: Simplify right side
   12,209,078.25x = 646,324,454,559,744
5. Step 5: Solve for x
   x = 646,324,454,559,744/12,209,078.25
6. Step 6: Final answer
   x = 52,938,022.13