Finding the Third Proportional to 3,589,128 and 5,516,722

Step by Step Solution

1. Step 1: Write the proportion equation
   3,589,128 : 5,516,722 = 5,516,722 : x
2. Step 2: Convert to fraction form
   3,589,128/5,516,722 = 5,516,722/x
3. Step 3: Cross multiply
   3,589,128x = 5,516,722 × 5,516,722
4. Step 4: Simplify right side
   3,589,128x = 30,434,221,625,284
5. Step 5: Solve for x
   x = 30,434,221,625,284/3,589,128
6. Step 6: Final answer
   x = 8,479,558.72