Finding the Third Proportional to 227,900 and 488,912.50

Step by Step Solution

1. Step 1: Write the proportion equation
   227,900 : 488,912.50 = 488,912.50 : x
2. Step 2: Convert to fraction form
   227,900/488,912.50 = 488,912.50/x
3. Step 3: Cross multiply
   227,900x = 488,912.50 × 488,912.50
4. Step 4: Simplify right side
   227,900x = 239,035,432,656.25
5. Step 5: Solve for x
   x = 239,035,432,656.25/227,900
6. Step 6: Final answer
   x = 1,048,861.05