Finding the Third Proportional to 443,889 and 970,821

Step by Step Solution

1. Step 1: Write the proportion equation
   443,889 : 970,821 = 970,821 : x
2. Step 2: Convert to fraction form
   443,889/970,821 = 970,821/x
3. Step 3: Cross multiply
   443,889x = 970,821 × 970,821
4. Step 4: Simplify right side
   443,889x = 942,493,414,041
5. Step 5: Solve for x
   x = 942,493,414,041/443,889
6. Step 6: Final answer
   x = 2,123,263.73