Finding the Third Proportional to 2,513,478 and 5,425,422

Step by Step Solution

1. Step 1: Write the proportion equation
   2,513,478 : 5,425,422 = 5,425,422 : x
2. Step 2: Convert to fraction form
   2,513,478/5,425,422 = 5,425,422/x
3. Step 3: Cross multiply
   2,513,478x = 5,425,422 × 5,425,422
4. Step 4: Simplify right side
   2,513,478x = 29,435,203,878,084
5. Step 5: Solve for x
   x = 29,435,203,878,084/2,513,478
6. Step 6: Final answer
   x = 11,710,945.50