Finding the Third Proportional to 111,106.50 and 235,450.50

Step by Step Solution

1. Step 1: Write the proportion equation
   111,106.50 : 235,450.50 = 235,450.50 : x
2. Step 2: Convert to fraction form
   111,106.50/235,450.50 = 235,450.50/x
3. Step 3: Cross multiply
   111,106.50x = 235,450.50 × 235,450.50
4. Step 4: Simplify right side
   111,106.50x = 55,436,937,950.25
5. Step 5: Solve for x
   x = 55,436,937,950.25/111,106.50
6. Step 6: Final answer
   x = 498,953.15