Finding the Third Proportional to 320,761.69 and 432,973.69

Step by Step Solution

1. Step 1: Write the proportion equation
   320,761.69 : 432,973.69 = 432,973.69 : x
2. Step 2: Convert to fraction form
   320,761.69/432,973.69 = 432,973.69/x
3. Step 3: Cross multiply
   320,761.69x = 432,973.69 × 432,973.69
4. Step 4: Simplify right side
   320,761.69x = 187,466,214,067.35
5. Step 5: Solve for x
   x = 187,466,214,067.35/320,761.69
6. Step 6: Final answer
   x = 584,440.79