Finding the Third Proportional to 111,091.50 and 178,895.25

Step by Step Solution

1. Step 1: Write the proportion equation
   111,091.50 : 178,895.25 = 178,895.25 : x
2. Step 2: Convert to fraction form
   111,091.50/178,895.25 = 178,895.25/x
3. Step 3: Cross multiply
   111,091.50x = 178,895.25 × 178,895.25
4. Step 4: Simplify right side
   111,091.50x = 32,003,510,472.56
5. Step 5: Solve for x
   x = 32,003,510,472.56/111,091.50
6. Step 6: Final answer
   x = 288,082.44