Finding the Third Proportional to 109,615.50 and 235,548

Step by Step Solution

1. Step 1: Write the proportion equation
   109,615.50 : 235,548 = 235,548 : x
2. Step 2: Convert to fraction form
   109,615.50/235,548 = 235,548/x
3. Step 3: Cross multiply
   109,615.50x = 235,548 × 235,548
4. Step 4: Simplify right side
   109,615.50x = 55,482,860,304
5. Step 5: Solve for x
   x = 55,482,860,304/109,615.50
6. Step 6: Final answer
   x = 506,158.89