Finding the Third Proportional to 109,361 and 238,486

Step by Step Solution

1. Step 1: Write the proportion equation
   109,361 : 238,486 = 238,486 : x
2. Step 2: Convert to fraction form
   109,361/238,486 = 238,486/x
3. Step 3: Cross multiply
   109,361x = 238,486 × 238,486
4. Step 4: Simplify right side
   109,361x = 56,875,572,196
5. Step 5: Solve for x
   x = 56,875,572,196/109,361
6. Step 6: Final answer
   x = 520,071.80