Finding the Third Proportional to 51,590 and 111,850

Step by Step Solution

1. Step 1: Write the proportion equation
   51,590 : 111,850 = 111,850 : x
2. Step 2: Convert to fraction form
   51,590/111,850 = 111,850/x
3. Step 3: Cross multiply
   51,590x = 111,850 × 111,850
4. Step 4: Simplify right side
   51,590x = 12,510,422,500
5. Step 5: Solve for x
   x = 12,510,422,500/51,590
6. Step 6: Final answer
   x = 242,497.04