Finding the Third Proportional to 219,142.50 and 332,784

Step by Step Solution

1. Step 1: Write the proportion equation
   219,142.50 : 332,784 = 332,784 : x
2. Step 2: Convert to fraction form
   219,142.50/332,784 = 332,784/x
3. Step 3: Cross multiply
   219,142.50x = 332,784 × 332,784
4. Step 4: Simplify right side
   219,142.50x = 110,745,190,656
5. Step 5: Solve for x
   x = 110,745,190,656/219,142.50
6. Step 6: Final answer
   x = 505,356.97