Finding the Third Proportional to 1,991,186 and 4,369,444

Step by Step Solution

1. Step 1: Write the proportion equation
   1,991,186 : 4,369,444 = 4,369,444 : x
2. Step 2: Convert to fraction form
   1,991,186/4,369,444 = 4,369,444/x
3. Step 3: Cross multiply
   1,991,186x = 4,369,444 × 4,369,444
4. Step 4: Simplify right side
   1,991,186x = 19,092,040,869,136
5. Step 5: Solve for x
   x = 19,092,040,869,136/1,991,186
6. Step 6: Final answer
   x = 9,588,275.97