Finding the Third Proportional to 1,391,418 and 2,953,422

Step by Step Solution

1. Step 1: Write the proportion equation
   1,391,418 : 2,953,422 = 2,953,422 : x
2. Step 2: Convert to fraction form
   1,391,418/2,953,422 = 2,953,422/x
3. Step 3: Cross multiply
   1,391,418x = 2,953,422 × 2,953,422
4. Step 4: Simplify right side
   1,391,418x = 8,722,701,510,084
5. Step 5: Solve for x
   x = 8,722,701,510,084/1,391,418
6. Step 6: Final answer
   x = 6,268,929.62