Finding the Third Proportional to 948,452 and 1,686,380

Step by Step Solution

1. Step 1: Write the proportion equation
   948,452 : 1,686,380 = 1,686,380 : x
2. Step 2: Convert to fraction form
   948,452/1,686,380 = 1,686,380/x
3. Step 3: Cross multiply
   948,452x = 1,686,380 × 1,686,380
4. Step 4: Simplify right side
   948,452x = 2,843,877,504,400
5. Step 5: Solve for x
   x = 2,843,877,504,400/948,452
6. Step 6: Final answer
   x = 2,998,441.15