Finding the Third Proportional to 5,589,884 and 8,468,664

Step by Step Solution

1. Step 1: Write the proportion equation
   5,589,884 : 8,468,664 = 8,468,664 : x
2. Step 2: Convert to fraction form
   5,589,884/8,468,664 = 8,468,664/x
3. Step 3: Cross multiply
   5,589,884x = 8,468,664 × 8,468,664
4. Step 4: Simplify right side
   5,589,884x = 71,718,269,944,896
5. Step 5: Solve for x
   x = 71,718,269,944,896/5,589,884
6. Step 6: Final answer
   x = 12,830,010.42