Finding the Third Proportional to 109,431 and 238,035.38

Step by Step Solution

1. Step 1: Write the proportion equation
   109,431 : 238,035.38 = 238,035.38 : x
2. Step 2: Convert to fraction form
   109,431/238,035.38 = 238,035.38/x
3. Step 3: Cross multiply
   109,431x = 238,035.38 × 238,035.38
4. Step 4: Simplify right side
   109,431x = 56,660,839,751.39
5. Step 5: Solve for x
   x = 56,660,839,751.39/109,431
6. Step 6: Final answer
   x = 517,776.86