Finding the Third Proportional to 111,691.50 and 226,623

Step by Step Solution

1. Step 1: Write the proportion equation
   111,691.50 : 226,623 = 226,623 : x
2. Step 2: Convert to fraction form
   111,691.50/226,623 = 226,623/x
3. Step 3: Cross multiply
   111,691.50x = 226,623 × 226,623
4. Step 4: Simplify right side
   111,691.50x = 51,357,984,129
5. Step 5: Solve for x
   x = 51,357,984,129/111,691.50
6. Step 6: Final answer
   x = 459,819.99