Finding the Third Proportional to 1,499,878 and 3,538,469

Step by Step Solution

1. Step 1: Write the proportion equation
   1,499,878 : 3,538,469 = 3,538,469 : x
2. Step 2: Convert to fraction form
   1,499,878/3,538,469 = 3,538,469/x
3. Step 3: Cross multiply
   1,499,878x = 3,538,469 × 3,538,469
4. Step 4: Simplify right side
   1,499,878x = 12,520,762,863,961
5. Step 5: Solve for x
   x = 12,520,762,863,961/1,499,878
6. Step 6: Final answer
   x = 8,347,854.20