Finding the Third Proportional to 109,275 and 238,410

Step by Step Solution

1. Step 1: Write the proportion equation
   109,275 : 238,410 = 238,410 : x
2. Step 2: Convert to fraction form
   109,275/238,410 = 238,410/x
3. Step 3: Cross multiply
   109,275x = 238,410 × 238,410
4. Step 4: Simplify right side
   109,275x = 56,839,328,100
5. Step 5: Solve for x
   x = 56,839,328,100/109,275
6. Step 6: Final answer
   x = 520,149.42