Finding the Third Proportional to 2,218,287 and 4,541,658

Step by Step Solution

1. Step 1: Write the proportion equation
   2,218,287 : 4,541,658 = 4,541,658 : x
2. Step 2: Convert to fraction form
   2,218,287/4,541,658 = 4,541,658/x
3. Step 3: Cross multiply
   2,218,287x = 4,541,658 × 4,541,658
4. Step 4: Simplify right side
   2,218,287x = 20,626,657,388,964
5. Step 5: Solve for x
   x = 20,626,657,388,964/2,218,287
6. Step 6: Final answer
   x = 9,298,462.01