Finding the Third Proportional to 962,419 and 1,287,906

Step by Step Solution

1. Step 1: Write the proportion equation
   962,419 : 1,287,906 = 1,287,906 : x
2. Step 2: Convert to fraction form
   962,419/1,287,906 = 1,287,906/x
3. Step 3: Cross multiply
   962,419x = 1,287,906 × 1,287,906
4. Step 4: Simplify right side
   962,419x = 1,658,701,864,836
5. Step 5: Solve for x
   x = 1,658,701,864,836/962,419
6. Step 6: Final answer
   x = 1,723,471.65