Finding the Third Proportional to 109,491 and 235,861.50

Step by Step Solution

1. Step 1: Write the proportion equation
   109,491 : 235,861.50 = 235,861.50 : x
2. Step 2: Convert to fraction form
   109,491/235,861.50 = 235,861.50/x
3. Step 3: Cross multiply
   109,491x = 235,861.50 × 235,861.50
4. Step 4: Simplify right side
   109,491x = 55,630,647,182.25
5. Step 5: Solve for x
   x = 55,630,647,182.25/109,491
6. Step 6: Final answer
   x = 508,084.20