Finding the Third Proportional to 112,866 and 235,189.50

Step by Step Solution

1. Step 1: Write the proportion equation
   112,866 : 235,189.50 = 235,189.50 : x
2. Step 2: Convert to fraction form
   112,866/235,189.50 = 235,189.50/x
3. Step 3: Cross multiply
   112,866x = 235,189.50 × 235,189.50
4. Step 4: Simplify right side
   112,866x = 55,314,100,910.25
5. Step 5: Solve for x
   x = 55,314,100,910.25/112,866
6. Step 6: Final answer
   x = 490,086.48