Finding the Third Proportional to 112,627.75 and 200,215

Step by Step Solution

1. Step 1: Write the proportion equation
   112,627.75 : 200,215 = 200,215 : x
2. Step 2: Convert to fraction form
   112,627.75/200,215 = 200,215/x
3. Step 3: Cross multiply
   112,627.75x = 200,215 × 200,215
4. Step 4: Simplify right side
   112,627.75x = 40,086,046,225
5. Step 5: Solve for x
   x = 40,086,046,225/112,627.75
6. Step 6: Final answer
   x = 355,916.25