Finding the Third Proportional to 3,569,878 and 5,438,484

Step by Step Solution

1. Step 1: Write the proportion equation
   3,569,878 : 5,438,484 = 5,438,484 : x
2. Step 2: Convert to fraction form
   3,569,878/5,438,484 = 5,438,484/x
3. Step 3: Cross multiply
   3,569,878x = 5,438,484 × 5,438,484
4. Step 4: Simplify right side
   3,569,878x = 29,577,108,218,256
5. Step 5: Solve for x
   x = 29,577,108,218,256/3,569,878
6. Step 6: Final answer
   x = 8,285,187.40