Finding the Third Proportional to 111,100.50 and 155,526.75

Step by Step Solution

1. Step 1: Write the proportion equation
   111,100.50 : 155,526.75 = 155,526.75 : x
2. Step 2: Convert to fraction form
   111,100.50/155,526.75 = 155,526.75/x
3. Step 3: Cross multiply
   111,100.50x = 155,526.75 × 155,526.75
4. Step 4: Simplify right side
   111,100.50x = 24,188,569,965.56
5. Step 5: Solve for x
   x = 24,188,569,965.56/111,100.50
6. Step 6: Final answer
   x = 217,717.92