Finding the Third Proportional to 334,261.69 and 720,498.38

Step by Step Solution

1. Step 1: Write the proportion equation
   334,261.69 : 720,498.38 = 720,498.38 : x
2. Step 2: Convert to fraction form
   334,261.69/720,498.38 = 720,498.38/x
3. Step 3: Cross multiply
   334,261.69x = 720,498.38 × 720,498.38
4. Step 4: Simplify right side
   334,261.69x = 519,117,908,377.64
5. Step 5: Solve for x
   x = 519,117,908,377.64/334,261.69
6. Step 6: Final answer
   x = 1,553,028.44