Finding the Third Proportional to 2,142,612 and 4,462,758

Step by Step Solution

1. Step 1: Write the proportion equation
   2,142,612 : 4,462,758 = 4,462,758 : x
2. Step 2: Convert to fraction form
   2,142,612/4,462,758 = 4,462,758/x
3. Step 3: Cross multiply
   2,142,612x = 4,462,758 × 4,462,758
4. Step 4: Simplify right side
   2,142,612x = 19,916,208,966,564
5. Step 5: Solve for x
   x = 19,916,208,966,564/2,142,612
6. Step 6: Final answer
   x = 9,295,294.23