Finding the Third Proportional to 1,515,475 and 3,217,755

Step by Step Solution

1. Step 1: Write the proportion equation
   1,515,475 : 3,217,755 = 3,217,755 : x
2. Step 2: Convert to fraction form
   1,515,475/3,217,755 = 3,217,755/x
3. Step 3: Cross multiply
   1,515,475x = 3,217,755 × 3,217,755
4. Step 4: Simplify right side
   1,515,475x = 10,353,947,240,025
5. Step 5: Solve for x
   x = 10,353,947,240,025/1,515,475
6. Step 6: Final answer
   x = 6,832,146.52