Finding the Third Proportional to 111,471.75 and 242,624.25

Step by Step Solution

1. Step 1: Write the proportion equation
   111,471.75 : 242,624.25 = 242,624.25 : x
2. Step 2: Convert to fraction form
   111,471.75/242,624.25 = 242,624.25/x
3. Step 3: Cross multiply
   111,471.75x = 242,624.25 × 242,624.25
4. Step 4: Simplify right side
   111,471.75x = 58,866,526,688.06
5. Step 5: Solve for x
   x = 58,866,526,688.06/111,471.75
6. Step 6: Final answer
   x = 528,084.71