Finding the Third Proportional to 1,242,256 and 2,674,720

Step by Step Solution

1. Step 1: Write the proportion equation
   1,242,256 : 2,674,720 = 2,674,720 : x
2. Step 2: Convert to fraction form
   1,242,256/2,674,720 = 2,674,720/x
3. Step 3: Cross multiply
   1,242,256x = 2,674,720 × 2,674,720
4. Step 4: Simplify right side
   1,242,256x = 7,154,127,078,400
5. Step 5: Solve for x
   x = 7,154,127,078,400/1,242,256
6. Step 6: Final answer
   x = 5,758,979.69