Finding the Third Proportional to 443,072 and 971,920

Step by Step Solution

1. Step 1: Write the proportion equation
   443,072 : 971,920 = 971,920 : x
2. Step 2: Convert to fraction form
   443,072/971,920 = 971,920/x
3. Step 3: Cross multiply
   443,072x = 971,920 × 971,920
4. Step 4: Simplify right side
   443,072x = 944,628,486,400
5. Step 5: Solve for x
   x = 944,628,486,400/443,072
6. Step 6: Final answer
   x = 2,131,997.70