Finding the Third Proportional to 2,138,782 and 4,454,484

Step by Step Solution

1. Step 1: Write the proportion equation
   2,138,782 : 4,454,484 = 4,454,484 : x
2. Step 2: Convert to fraction form
   2,138,782/4,454,484 = 4,454,484/x
3. Step 3: Cross multiply
   2,138,782x = 4,454,484 × 4,454,484
4. Step 4: Simplify right side
   2,138,782x = 19,842,427,706,256
5. Step 5: Solve for x
   x = 19,842,427,706,256/2,138,782
6. Step 6: Final answer
   x = 9,277,442.82