Finding the Third Proportional to 1,275,443 and 2,799,688

Step by Step Solution

1. Step 1: Write the proportion equation
   1,275,443 : 2,799,688 = 2,799,688 : x
2. Step 2: Convert to fraction form
   1,275,443/2,799,688 = 2,799,688/x
3. Step 3: Cross multiply
   1,275,443x = 2,799,688 × 2,799,688
4. Step 4: Simplify right side
   1,275,443x = 7,838,252,897,344
5. Step 5: Solve for x
   x = 7,838,252,897,344/1,275,443
6. Step 6: Final answer
   x = 6,145,514.07