Finding the Third Proportional to 1,515,223 and 3,366,751

Step by Step Solution

1. Step 1: Write the proportion equation
   1,515,223 : 3,366,751 = 3,366,751 : x
2. Step 2: Convert to fraction form
   1,515,223/3,366,751 = 3,366,751/x
3. Step 3: Cross multiply
   1,515,223x = 3,366,751 × 3,366,751
4. Step 4: Simplify right side
   1,515,223x = 11,335,012,296,001
5. Step 5: Solve for x
   x = 11,335,012,296,001/1,515,223
6. Step 6: Final answer
   x = 7,480,755.17