Finding the Third Proportional to 2,564,590 and 5,472,422

Step by Step Solution

1. Step 1: Write the proportion equation
   2,564,590 : 5,472,422 = 5,472,422 : x
2. Step 2: Convert to fraction form
   2,564,590/5,472,422 = 5,472,422/x
3. Step 3: Cross multiply
   2,564,590x = 5,472,422 × 5,472,422
4. Step 4: Simplify right side
   2,564,590x = 29,947,402,546,084
5. Step 5: Solve for x
   x = 29,947,402,546,084/2,564,590
6. Step 6: Final answer
   x = 11,677,267.14