Finding the Third Proportional to 111,302 and 155,693.50

Step by Step Solution

1. Step 1: Write the proportion equation
   111,302 : 155,693.50 = 155,693.50 : x
2. Step 2: Convert to fraction form
   111,302/155,693.50 = 155,693.50/x
3. Step 3: Cross multiply
   111,302x = 155,693.50 × 155,693.50
4. Step 4: Simplify right side
   111,302x = 24,240,465,942.25
5. Step 5: Solve for x
   x = 24,240,465,942.25/111,302
6. Step 6: Final answer
   x = 217,790.03