Finding the Third Proportional to 70,281 and 111,678

Step by Step Solution

1. Step 1: Write the proportion equation
   70,281 : 111,678 = 111,678 : x
2. Step 2: Convert to fraction form
   70,281/111,678 = 111,678/x
3. Step 3: Cross multiply
   70,281x = 111,678 × 111,678
4. Step 4: Simplify right side
   70,281x = 12,471,975,684
5. Step 5: Solve for x
   x = 12,471,975,684/70,281
6. Step 6: Final answer
   x = 177,458.71