Finding the Third Proportional to 74,631.38 and 111,673.69

Step by Step Solution

1. Step 1: Write the proportion equation
   74,631.38 : 111,673.69 = 111,673.69 : x
2. Step 2: Convert to fraction form
   74,631.38/111,673.69 = 111,673.69/x
3. Step 3: Cross multiply
   74,631.38x = 111,673.69 × 111,673.69
4. Step 4: Simplify right side
   74,631.38x = 12,471,012,479.85
5. Step 5: Solve for x
   x = 12,471,012,479.85/74,631.38
6. Step 6: Final answer
   x = 167,101.47