Finding the Third Proportional to 1,862,720 and 4,074,142

Step by Step Solution

1. Step 1: Write the proportion equation
   1,862,720 : 4,074,142 = 4,074,142 : x
2. Step 2: Convert to fraction form
   1,862,720/4,074,142 = 4,074,142/x
3. Step 3: Cross multiply
   1,862,720x = 4,074,142 × 4,074,142
4. Step 4: Simplify right side
   1,862,720x = 16,598,633,036,164
5. Step 5: Solve for x
   x = 16,598,633,036,164/1,862,720
6. Step 6: Final answer
   x = 8,910,965.17