Finding the Third Proportional to 112,866 and 235,073.50

Step by Step Solution

1. Step 1: Write the proportion equation
   112,866 : 235,073.50 = 235,073.50 : x
2. Step 2: Convert to fraction form
   112,866/235,073.50 = 235,073.50/x
3. Step 3: Cross multiply
   112,866x = 235,073.50 × 235,073.50
4. Step 4: Simplify right side
   112,866x = 55,259,550,402.25
5. Step 5: Solve for x
   x = 55,259,550,402.25/112,866
6. Step 6: Final answer
   x = 489,603.16