Finding the Third Proportional to 1,399,420 and 2,898,412

Step by Step Solution

1. Step 1: Write the proportion equation
   1,399,420 : 2,898,412 = 2,898,412 : x
2. Step 2: Convert to fraction form
   1,399,420/2,898,412 = 2,898,412/x
3. Step 3: Cross multiply
   1,399,420x = 2,898,412 × 2,898,412
4. Step 4: Simplify right side
   1,399,420x = 8,400,792,121,744
5. Step 5: Solve for x
   x = 8,400,792,121,744/1,399,420
6. Step 6: Final answer
   x = 6,003,052.78