Finding the Third Proportional to 869,408 and 1,843,488

Step by Step Solution

1. Step 1: Write the proportion equation
   869,408 : 1,843,488 = 1,843,488 : x
2. Step 2: Convert to fraction form
   869,408/1,843,488 = 1,843,488/x
3. Step 3: Cross multiply
   869,408x = 1,843,488 × 1,843,488
4. Step 4: Simplify right side
   869,408x = 3,398,448,006,144
5. Step 5: Solve for x
   x = 3,398,448,006,144/869,408
6. Step 6: Final answer
   x = 3,908,921.94