Finding the Third Proportional to 5,855,976 and 12,689,448

Step by Step Solution

1. Step 1: Write the proportion equation
   5,855,976 : 12,689,448 = 12,689,448 : x
2. Step 2: Convert to fraction form
   5,855,976/12,689,448 = 12,689,448/x
3. Step 3: Cross multiply
   5,855,976x = 12,689,448 × 12,689,448
4. Step 4: Simplify right side
   5,855,976x = 161,022,090,544,704
5. Step 5: Solve for x
   x = 161,022,090,544,704/5,855,976
6. Step 6: Final answer
   x = 27,497,054.38