Finding the Third Proportional to 169,615.69 and 262,393.59

Step by Step Solution

1. Step 1: Write the proportion equation
   169,615.69 : 262,393.59 = 262,393.59 : x
2. Step 2: Convert to fraction form
   169,615.69/262,393.59 = 262,393.59/x
3. Step 3: Cross multiply
   169,615.69x = 262,393.59 × 262,393.59
4. Step 4: Simplify right side
   169,615.69x = 68,850,398,041.04
5. Step 5: Solve for x
   x = 68,850,398,041.04/169,615.69
6. Step 6: Final answer
   x = 405,919.99