Finding the Third Proportional to 1,398,260 and 2,979,544

Step by Step Solution

1. Step 1: Write the proportion equation
   1,398,260 : 2,979,544 = 2,979,544 : x
2. Step 2: Convert to fraction form
   1,398,260/2,979,544 = 2,979,544/x
3. Step 3: Cross multiply
   1,398,260x = 2,979,544 × 2,979,544
4. Step 4: Simplify right side
   1,398,260x = 8,877,682,447,936
5. Step 5: Solve for x
   x = 8,877,682,447,936/1,398,260
6. Step 6: Final answer
   x = 6,349,092.76