Finding the Third Proportional to 109,354 and 239,281.50

Step by Step Solution

1. Step 1: Write the proportion equation
   109,354 : 239,281.50 = 239,281.50 : x
2. Step 2: Convert to fraction form
   109,354/239,281.50 = 239,281.50/x
3. Step 3: Cross multiply
   109,354x = 239,281.50 × 239,281.50
4. Step 4: Simplify right side
   109,354x = 57,255,636,242.25
5. Step 5: Solve for x
   x = 57,255,636,242.25/109,354
6. Step 6: Final answer
   x = 523,580.63