Finding the Third Proportional to 109,606.50 and 238,896

Step by Step Solution

1. Step 1: Write the proportion equation
   109,606.50 : 238,896 = 238,896 : x
2. Step 2: Convert to fraction form
   109,606.50/238,896 = 238,896/x
3. Step 3: Cross multiply
   109,606.50x = 238,896 × 238,896
4. Step 4: Simplify right side
   109,606.50x = 57,071,298,816
5. Step 5: Solve for x
   x = 57,071,298,816/109,606.50
6. Step 6: Final answer
   x = 520,692.65