Finding the Third Proportional to 212,934.50 and 329,652

Step by Step Solution

1. Step 1: Write the proportion equation
   212,934.50 : 329,652 = 329,652 : x
2. Step 2: Convert to fraction form
   212,934.50/329,652 = 329,652/x
3. Step 3: Cross multiply
   212,934.50x = 329,652 × 329,652
4. Step 4: Simplify right side
   212,934.50x = 108,670,441,104
5. Step 5: Solve for x
   x = 108,670,441,104/212,934.50
6. Step 6: Final answer
   x = 510,346.80