Finding the Third Proportional to 1,287,976 and 2,797,190

Step by Step Solution

1. Step 1: Write the proportion equation
   1,287,976 : 2,797,190 = 2,797,190 : x
2. Step 2: Convert to fraction form
   1,287,976/2,797,190 = 2,797,190/x
3. Step 3: Cross multiply
   1,287,976x = 2,797,190 × 2,797,190
4. Step 4: Simplify right side
   1,287,976x = 7,824,271,896,100
5. Step 5: Solve for x
   x = 7,824,271,896,100/1,287,976
6. Step 6: Final answer
   x = 6,074,858.46