Finding the Third Proportional to 1,515,482 and 3,217,772

Step by Step Solution

1. Step 1: Write the proportion equation
   1,515,482 : 3,217,772 = 3,217,772 : x
2. Step 2: Convert to fraction form
   1,515,482/3,217,772 = 3,217,772/x
3. Step 3: Cross multiply
   1,515,482x = 3,217,772 × 3,217,772
4. Step 4: Simplify right side
   1,515,482x = 10,354,056,643,984
5. Step 5: Solve for x
   x = 10,354,056,643,984/1,515,482
6. Step 6: Final answer
   x = 6,832,187.15