Finding the Third Proportional to 109,505 and 236,488

Step by Step Solution

1. Step 1: Write the proportion equation
   109,505 : 236,488 = 236,488 : x
2. Step 2: Convert to fraction form
   109,505/236,488 = 236,488/x
3. Step 3: Cross multiply
   109,505x = 236,488 × 236,488
4. Step 4: Simplify right side
   109,505x = 55,926,574,144
5. Step 5: Solve for x
   x = 55,926,574,144/109,505
6. Step 6: Final answer
   x = 510,721.65