Finding the Third Proportional to 443,414 and 969,642

Step by Step Solution

1. Step 1: Write the proportion equation
   443,414 : 969,642 = 969,642 : x
2. Step 2: Convert to fraction form
   443,414/969,642 = 969,642/x
3. Step 3: Cross multiply
   443,414x = 969,642 × 969,642
4. Step 4: Simplify right side
   443,414x = 940,205,608,164
5. Step 5: Solve for x
   x = 940,205,608,164/443,414
6. Step 6: Final answer
   x = 2,120,378.72