Finding the Third Proportional to 112,776 and 244,990

Step by Step Solution

1. Step 1: Write the proportion equation
   112,776 : 244,990 = 244,990 : x
2. Step 2: Convert to fraction form
   112,776/244,990 = 244,990/x
3. Step 3: Cross multiply
   112,776x = 244,990 × 244,990
4. Step 4: Simplify right side
   112,776x = 60,020,100,100
5. Step 5: Solve for x
   x = 60,020,100,100/112,776
6. Step 6: Final answer
   x = 532,206.32