Finding the Third Proportional to 725,760 and 1,538,040

Step by Step Solution

1. Step 1: Write the proportion equation
   725,760 : 1,538,040 = 1,538,040 : x
2. Step 2: Convert to fraction form
   725,760/1,538,040 = 1,538,040/x
3. Step 3: Cross multiply
   725,760x = 1,538,040 × 1,538,040
4. Step 4: Simplify right side
   725,760x = 2,365,567,041,600
5. Step 5: Solve for x
   x = 2,365,567,041,600/725,760
6. Step 6: Final answer
   x = 3,259,434.31