Finding the Third Proportional to 51,489 and 112,819.50

Step by Step Solution

1. Step 1: Write the proportion equation
   51,489 : 112,819.50 = 112,819.50 : x
2. Step 2: Convert to fraction form
   51,489/112,819.50 = 112,819.50/x
3. Step 3: Cross multiply
   51,489x = 112,819.50 × 112,819.50
4. Step 4: Simplify right side
   51,489x = 12,728,239,580.25
5. Step 5: Solve for x
   x = 12,728,239,580.25/51,489
6. Step 6: Final answer
   x = 247,203.08