Finding the Third Proportional to 88,956 and 212,629.50

Step by Step Solution

1. Step 1: Write the proportion equation
   88,956 : 212,629.50 = 212,629.50 : x
2. Step 2: Convert to fraction form
   88,956/212,629.50 = 212,629.50/x
3. Step 3: Cross multiply
   88,956x = 212,629.50 × 212,629.50
4. Step 4: Simplify right side
   88,956x = 45,211,304,270.25
5. Step 5: Solve for x
   x = 45,211,304,270.25/88,956
6. Step 6: Final answer
   x = 508,243.45