Finding the Third Proportional to 1,242,992 and 2,707,402

Step by Step Solution

1. Step 1: Write the proportion equation
   1,242,992 : 2,707,402 = 2,707,402 : x
2. Step 2: Convert to fraction form
   1,242,992/2,707,402 = 2,707,402/x
3. Step 3: Cross multiply
   1,242,992x = 2,707,402 × 2,707,402
4. Step 4: Simplify right side
   1,242,992x = 7,330,025,589,604
5. Step 5: Solve for x
   x = 7,330,025,589,604/1,242,992
6. Step 6: Final answer
   x = 5,897,081.87