Finding the Third Proportional to 1,263,540 and 2,982,789

Step by Step Solution

1. Step 1: Write the proportion equation
   1,263,540 : 2,982,789 = 2,982,789 : x
2. Step 2: Convert to fraction form
   1,263,540/2,982,789 = 2,982,789/x
3. Step 3: Cross multiply
   1,263,540x = 2,982,789 × 2,982,789
4. Step 4: Simplify right side
   1,263,540x = 8,897,030,218,521
5. Step 5: Solve for x
   x = 8,897,030,218,521/1,263,540
6. Step 6: Final answer
   x = 7,041,352.25