Finding the Third Proportional to 2,198,142 and 4,632,444

Step by Step Solution

1. Step 1: Write the proportion equation
   2,198,142 : 4,632,444 = 4,632,444 : x
2. Step 2: Convert to fraction form
   2,198,142/4,632,444 = 4,632,444/x
3. Step 3: Cross multiply
   2,198,142x = 4,632,444 × 4,632,444
4. Step 4: Simplify right side
   2,198,142x = 21,459,537,413,136
5. Step 5: Solve for x
   x = 21,459,537,413,136/2,198,142
6. Step 6: Final answer
   x = 9,762,580.13