Finding the Third Proportional to 646,281 and 1,323,906

Step by Step Solution

1. Step 1: Write the proportion equation
   646,281 : 1,323,906 = 1,323,906 : x
2. Step 2: Convert to fraction form
   646,281/1,323,906 = 1,323,906/x
3. Step 3: Cross multiply
   646,281x = 1,323,906 × 1,323,906
4. Step 4: Simplify right side
   646,281x = 1,752,727,096,836
5. Step 5: Solve for x
   x = 1,752,727,096,836/646,281
6. Step 6: Final answer
   x = 2,712,020.15