Finding the Third Proportional to 948,454 and 1,686,384

Step by Step Solution

1. Step 1: Write the proportion equation
   948,454 : 1,686,384 = 1,686,384 : x
2. Step 2: Convert to fraction form
   948,454/1,686,384 = 1,686,384/x
3. Step 3: Cross multiply
   948,454x = 1,686,384 × 1,686,384
4. Step 4: Simplify right side
   948,454x = 2,843,890,995,456
5. Step 5: Solve for x
   x = 2,843,890,995,456/948,454
6. Step 6: Final answer
   x = 2,998,449.05