Finding the Third Proportional to 948,448 and 1,686,374

Step by Step Solution

1. Step 1: Write the proportion equation
   948,448 : 1,686,374 = 1,686,374 : x
2. Step 2: Convert to fraction form
   948,448/1,686,374 = 1,686,374/x
3. Step 3: Cross multiply
   948,448x = 1,686,374 × 1,686,374
4. Step 4: Simplify right side
   948,448x = 2,843,857,267,876
5. Step 5: Solve for x
   x = 2,843,857,267,876/948,448
6. Step 6: Final answer
   x = 2,998,432.46