Finding the Third Proportional to 111,184.50 and 171,981

Step by Step Solution

1. Step 1: Write the proportion equation
   111,184.50 : 171,981 = 171,981 : x
2. Step 2: Convert to fraction form
   111,184.50/171,981 = 171,981/x
3. Step 3: Cross multiply
   111,184.50x = 171,981 × 171,981
4. Step 4: Simplify right side
   111,184.50x = 29,577,464,361
5. Step 5: Solve for x
   x = 29,577,464,361/111,184.50
6. Step 6: Final answer
   x = 266,021.47