Finding the Third Proportional to 1,488,628 and 3,229,312

Step by Step Solution

1. Step 1: Write the proportion equation
   1,488,628 : 3,229,312 = 3,229,312 : x
2. Step 2: Convert to fraction form
   1,488,628/3,229,312 = 3,229,312/x
3. Step 3: Cross multiply
   1,488,628x = 3,229,312 × 3,229,312
4. Step 4: Simplify right side
   1,488,628x = 10,428,455,993,344
5. Step 5: Solve for x
   x = 10,428,455,993,344/1,488,628
6. Step 6: Final answer
   x = 7,005,414.38