Finding the Third Proportional to 111,213 and 244,561.75

Step by Step Solution

1. Step 1: Write the proportion equation
   111,213 : 244,561.75 = 244,561.75 : x
2. Step 2: Convert to fraction form
   111,213/244,561.75 = 244,561.75/x
3. Step 3: Cross multiply
   111,213x = 244,561.75 × 244,561.75
4. Step 4: Simplify right side
   111,213x = 59,810,449,563.06
5. Step 5: Solve for x
   x = 59,810,449,563.06/111,213
6. Step 6: Final answer
   x = 537,800.88