Finding the Third Proportional to 1,099,569 and 1,548,406

Step by Step Solution

1. Step 1: Write the proportion equation
   1,099,569 : 1,548,406 = 1,548,406 : x
2. Step 2: Convert to fraction form
   1,099,569/1,548,406 = 1,548,406/x
3. Step 3: Cross multiply
   1,099,569x = 1,548,406 × 1,548,406
4. Step 4: Simplify right side
   1,099,569x = 2,397,561,140,836
5. Step 5: Solve for x
   x = 2,397,561,140,836/1,099,569
6. Step 6: Final answer
   x = 2,180,455.38