Finding the Third Proportional to 110,878 and 238,359.50

Step by Step Solution

1. Step 1: Write the proportion equation
   110,878 : 238,359.50 = 238,359.50 : x
2. Step 2: Convert to fraction form
   110,878/238,359.50 = 238,359.50/x
3. Step 3: Cross multiply
   110,878x = 238,359.50 × 238,359.50
4. Step 4: Simplify right side
   110,878x = 56,815,251,240.25
5. Step 5: Solve for x
   x = 56,815,251,240.25/110,878
6. Step 6: Final answer
   x = 512,412.30