Finding the Third Proportional to 2,616,791 and 5,550,643

Step by Step Solution

1. Step 1: Write the proportion equation
   2,616,791 : 5,550,643 = 5,550,643 : x
2. Step 2: Convert to fraction form
   2,616,791/5,550,643 = 5,550,643/x
3. Step 3: Cross multiply
   2,616,791x = 5,550,643 × 5,550,643
4. Step 4: Simplify right side
   2,616,791x = 30,809,637,713,449
5. Step 5: Solve for x
   x = 30,809,637,713,449/2,616,791
6. Step 6: Final answer
   x = 11,773,824.40