Finding the Third Proportional to 111,890 and 244,516

Step by Step Solution

1. Step 1: Write the proportion equation
   111,890 : 244,516 = 244,516 : x
2. Step 2: Convert to fraction form
   111,890/244,516 = 244,516/x
3. Step 3: Cross multiply
   111,890x = 244,516 × 244,516
4. Step 4: Simplify right side
   111,890x = 59,788,074,256
5. Step 5: Solve for x
   x = 59,788,074,256/111,890
6. Step 6: Final answer
   x = 534,346.90