Finding the Third Proportional to 109,369.50 and 238,503

Step by Step Solution

1. Step 1: Write the proportion equation
   109,369.50 : 238,503 = 238,503 : x
2. Step 2: Convert to fraction form
   109,369.50/238,503 = 238,503/x
3. Step 3: Cross multiply
   109,369.50x = 238,503 × 238,503
4. Step 4: Simplify right side
   109,369.50x = 56,883,681,009
5. Step 5: Solve for x
   x = 56,883,681,009/109,369.50
6. Step 6: Final answer
   x = 520,105.52