Finding the Third Proportional to 2,051,580 and 4,480,782

Step by Step Solution

1. Step 1: Write the proportion equation
   2,051,580 : 4,480,782 = 4,480,782 : x
2. Step 2: Convert to fraction form
   2,051,580/4,480,782 = 4,480,782/x
3. Step 3: Cross multiply
   2,051,580x = 4,480,782 × 4,480,782
4. Step 4: Simplify right side
   2,051,580x = 20,077,407,331,524
5. Step 5: Solve for x
   x = 20,077,407,331,524/2,051,580
6. Step 6: Final answer
   x = 9,786,314.61