Finding the Third Proportional to 111,510 and 167,278.50

Step by Step Solution

1. Step 1: Write the proportion equation
   111,510 : 167,278.50 = 167,278.50 : x
2. Step 2: Convert to fraction form
   111,510/167,278.50 = 167,278.50/x
3. Step 3: Cross multiply
   111,510x = 167,278.50 × 167,278.50
4. Step 4: Simplify right side
   111,510x = 27,982,096,562.25
5. Step 5: Solve for x
   x = 27,982,096,562.25/111,510
6. Step 6: Final answer
   x = 250,938.00