Finding the Third Proportional to 112,743.50 and 234,816

Step by Step Solution

1. Step 1: Write the proportion equation
   112,743.50 : 234,816 = 234,816 : x
2. Step 2: Convert to fraction form
   112,743.50/234,816 = 234,816/x
3. Step 3: Cross multiply
   112,743.50x = 234,816 × 234,816
4. Step 4: Simplify right side
   112,743.50x = 55,138,553,856
5. Step 5: Solve for x
   x = 55,138,553,856/112,743.50
6. Step 6: Final answer
   x = 489,061.93