Finding the Third Proportional to 1,443,090 and 3,217,444

Step by Step Solution

1. Step 1: Write the proportion equation
   1,443,090 : 3,217,444 = 3,217,444 : x
2. Step 2: Convert to fraction form
   1,443,090/3,217,444 = 3,217,444/x
3. Step 3: Cross multiply
   1,443,090x = 3,217,444 × 3,217,444
4. Step 4: Simplify right side
   1,443,090x = 10,351,945,893,136
5. Step 5: Solve for x
   x = 10,351,945,893,136/1,443,090
6. Step 6: Final answer
   x = 7,173,458.27