Finding the Third Proportional to 1,263,600 and 2,982,920

Step by Step Solution

1. Step 1: Write the proportion equation
   1,263,600 : 2,982,920 = 2,982,920 : x
2. Step 2: Convert to fraction form
   1,263,600/2,982,920 = 2,982,920/x
3. Step 3: Cross multiply
   1,263,600x = 2,982,920 × 2,982,920
4. Step 4: Simplify right side
   1,263,600x = 8,897,811,726,400
5. Step 5: Solve for x
   x = 8,897,811,726,400/1,263,600
6. Step 6: Final answer
   x = 7,041,636.38