Finding the Third Proportional to 109,659 and 235,636.50

Step by Step Solution

1. Step 1: Write the proportion equation
   109,659 : 235,636.50 = 235,636.50 : x
2. Step 2: Convert to fraction form
   109,659/235,636.50 = 235,636.50/x
3. Step 3: Cross multiply
   109,659x = 235,636.50 × 235,636.50
4. Step 4: Simplify right side
   109,659x = 55,524,560,132.25
5. Step 5: Solve for x
   x = 55,524,560,132.25/109,659
6. Step 6: Final answer
   x = 506,338.38