Finding the Third Proportional to 11,980,446 and 25,845,540

Step by Step Solution

1. Step 1: Write the proportion equation
   11,980,446 : 25,845,540 = 25,845,540 : x
2. Step 2: Convert to fraction form
   11,980,446/25,845,540 = 25,845,540/x
3. Step 3: Cross multiply
   11,980,446x = 25,845,540 × 25,845,540
4. Step 4: Simplify right side
   11,980,446x = 667,991,937,891,600
5. Step 5: Solve for x
   x = 667,991,937,891,600/11,980,446
6. Step 6: Final answer
   x = 55,756,850.61