Finding the Third Proportional to 111,548.25 and 176,436

Step by Step Solution

1. Step 1: Write the proportion equation
   111,548.25 : 176,436 = 176,436 : x
2. Step 2: Convert to fraction form
   111,548.25/176,436 = 176,436/x
3. Step 3: Cross multiply
   111,548.25x = 176,436 × 176,436
4. Step 4: Simplify right side
   111,548.25x = 31,129,662,096
5. Step 5: Solve for x
   x = 31,129,662,096/111,548.25
6. Step 6: Final answer
   x = 279,069.03