Finding the Third Proportional to 1,238,632 and 2,720,842

Step by Step Solution

1. Step 1: Write the proportion equation
   1,238,632 : 2,720,842 = 2,720,842 : x
2. Step 2: Convert to fraction form
   1,238,632/2,720,842 = 2,720,842/x
3. Step 3: Cross multiply
   1,238,632x = 2,720,842 × 2,720,842
4. Step 4: Simplify right side
   1,238,632x = 7,402,981,188,964
5. Step 5: Solve for x
   x = 7,402,981,188,964/1,238,632
6. Step 6: Final answer
   x = 5,976,739.81