Finding the Third Proportional to 111,209 and 244,553.75

Step by Step Solution

1. Step 1: Write the proportion equation
   111,209 : 244,553.75 = 244,553.75 : x
2. Step 2: Convert to fraction form
   111,209/244,553.75 = 244,553.75/x
3. Step 3: Cross multiply
   111,209x = 244,553.75 × 244,553.75
4. Step 4: Simplify right side
   111,209x = 59,806,536,639.06
5. Step 5: Solve for x
   x = 59,806,536,639.06/111,209
6. Step 6: Final answer
   x = 537,785.04