Finding the Third Proportional to 1,242,592 and 2,717,780

Step by Step Solution

1. Step 1: Write the proportion equation
   1,242,592 : 2,717,780 = 2,717,780 : x
2. Step 2: Convert to fraction form
   1,242,592/2,717,780 = 2,717,780/x
3. Step 3: Cross multiply
   1,242,592x = 2,717,780 × 2,717,780
4. Step 4: Simplify right side
   1,242,592x = 7,386,328,128,400
5. Step 5: Solve for x
   x = 7,386,328,128,400/1,242,592
6. Step 6: Final answer
   x = 5,944,290.75