Finding the Third Proportional to 109,768.50 and 236,637

Step by Step Solution

1. Step 1: Write the proportion equation
   109,768.50 : 236,637 = 236,637 : x
2. Step 2: Convert to fraction form
   109,768.50/236,637 = 236,637/x
3. Step 3: Cross multiply
   109,768.50x = 236,637 × 236,637
4. Step 4: Simplify right side
   109,768.50x = 55,997,069,769
5. Step 5: Solve for x
   x = 55,997,069,769/109,768.50
6. Step 6: Final answer
   x = 510,137.88