Finding the Third Proportional to 1,515,140 and 3,270,628

Step by Step Solution

1. Step 1: Write the proportion equation
   1,515,140 : 3,270,628 = 3,270,628 : x
2. Step 2: Convert to fraction form
   1,515,140/3,270,628 = 3,270,628/x
3. Step 3: Cross multiply
   1,515,140x = 3,270,628 × 3,270,628
4. Step 4: Simplify right side
   1,515,140x = 10,697,007,514,384
5. Step 5: Solve for x
   x = 10,697,007,514,384/1,515,140
6. Step 6: Final answer
   x = 7,060,078.62