Finding the Third Proportional to 1,515,360 and 2,352,720

Step by Step Solution

1. Step 1: Write the proportion equation
   1,515,360 : 2,352,720 = 2,352,720 : x
2. Step 2: Convert to fraction form
   1,515,360/2,352,720 = 2,352,720/x
3. Step 3: Cross multiply
   1,515,360x = 2,352,720 × 2,352,720
4. Step 4: Simplify right side
   1,515,360x = 5,535,291,398,400
5. Step 5: Solve for x
   x = 5,535,291,398,400/1,515,360
6. Step 6: Final answer
   x = 3,652,789.70