Finding the Third Proportional to 5,746,887 and 8,644,464

Step by Step Solution

1. Step 1: Write the proportion equation
   5,746,887 : 8,644,464 = 8,644,464 : x
2. Step 2: Convert to fraction form
   5,746,887/8,644,464 = 8,644,464/x
3. Step 3: Cross multiply
   5,746,887x = 8,644,464 × 8,644,464
4. Step 4: Simplify right side
   5,746,887x = 74,726,757,847,296
5. Step 5: Solve for x
   x = 74,726,757,847,296/5,746,887
6. Step 6: Final answer
   x = 13,002,997.60