Finding the Third Proportional to 111,238.50 and 230,363

Step by Step Solution

1. Step 1: Write the proportion equation
   111,238.50 : 230,363 = 230,363 : x
2. Step 2: Convert to fraction form
   111,238.50/230,363 = 230,363/x
3. Step 3: Cross multiply
   111,238.50x = 230,363 × 230,363
4. Step 4: Simplify right side
   111,238.50x = 53,067,111,769
5. Step 5: Solve for x
   x = 53,067,111,769/111,238.50
6. Step 6: Final answer
   x = 477,057.06