Finding the Third Proportional to 443,112 and 669,948

Step by Step Solution

1. Step 1: Write the proportion equation
   443,112 : 669,948 = 669,948 : x
2. Step 2: Convert to fraction form
   443,112/669,948 = 669,948/x
3. Step 3: Cross multiply
   443,112x = 669,948 × 669,948
4. Step 4: Simplify right side
   443,112x = 448,830,322,704
5. Step 5: Solve for x
   x = 448,830,322,704/443,112
6. Step 6: Final answer
   x = 1,012,904.92