Finding the Third Proportional to 109,491 and 236,071.50

Step by Step Solution

1. Step 1: Write the proportion equation
   109,491 : 236,071.50 = 236,071.50 : x
2. Step 2: Convert to fraction form
   109,491/236,071.50 = 236,071.50/x
3. Step 3: Cross multiply
   109,491x = 236,071.50 × 236,071.50
4. Step 4: Simplify right side
   109,491x = 55,729,753,112.25
5. Step 5: Solve for x
   x = 55,729,753,112.25/109,491
6. Step 6: Final answer
   x = 508,989.35