Finding the Third Proportional to 1,238,630 and 2,720,838

Step by Step Solution

1. Step 1: Write the proportion equation
   1,238,630 : 2,720,838 = 2,720,838 : x
2. Step 2: Convert to fraction form
   1,238,630/2,720,838 = 2,720,838/x
3. Step 3: Cross multiply
   1,238,630x = 2,720,838 × 2,720,838
4. Step 4: Simplify right side
   1,238,630x = 7,402,959,422,244
5. Step 5: Solve for x
   x = 7,402,959,422,244/1,238,630
6. Step 6: Final answer
   x = 5,976,731.89