Finding the Third Proportional to 2,142,799 and 4,576,205

Step by Step Solution

1. Step 1: Write the proportion equation
   2,142,799 : 4,576,205 = 4,576,205 : x
2. Step 2: Convert to fraction form
   2,142,799/4,576,205 = 4,576,205/x
3. Step 3: Cross multiply
   2,142,799x = 4,576,205 × 4,576,205
4. Step 4: Simplify right side
   2,142,799x = 20,941,652,202,025
5. Step 5: Solve for x
   x = 20,941,652,202,025/2,142,799
6. Step 6: Final answer
   x = 9,773,036.20