Finding the Third Proportional to 2,037,600 and 4,428,990

Step by Step Solution

1. Step 1: Write the proportion equation
   2,037,600 : 4,428,990 = 4,428,990 : x
2. Step 2: Convert to fraction form
   2,037,600/4,428,990 = 4,428,990/x
3. Step 3: Cross multiply
   2,037,600x = 4,428,990 × 4,428,990
4. Step 4: Simplify right side
   2,037,600x = 19,615,952,420,100
5. Step 5: Solve for x
   x = 19,615,952,420,100/2,037,600
6. Step 6: Final answer
   x = 9,626,988.82