Finding the Third Proportional to 11,980,440 and 25,845,530

Step by Step Solution

1. Step 1: Write the proportion equation
   11,980,440 : 25,845,530 = 25,845,530 : x
2. Step 2: Convert to fraction form
   11,980,440/25,845,530 = 25,845,530/x
3. Step 3: Cross multiply
   11,980,440x = 25,845,530 × 25,845,530
4. Step 4: Simplify right side
   11,980,440x = 667,991,420,980,900
5. Step 5: Solve for x
   x = 667,991,420,980,900/11,980,440
6. Step 6: Final answer
   x = 55,756,835.39