Finding the Third Proportional to 1,488,621 and 3,229,294

Step by Step Solution

1. Step 1: Write the proportion equation
   1,488,621 : 3,229,294 = 3,229,294 : x
2. Step 2: Convert to fraction form
   1,488,621/3,229,294 = 3,229,294/x
3. Step 3: Cross multiply
   1,488,621x = 3,229,294 × 3,229,294
4. Step 4: Simplify right side
   1,488,621x = 10,428,339,738,436
5. Step 5: Solve for x
   x = 10,428,339,738,436/1,488,621
6. Step 6: Final answer
   x = 7,005,369.22