Finding the Third Proportional to 87,278.50 and 187,922

Step by Step Solution

1. Step 1: Write the proportion equation
   87,278.50 : 187,922 = 187,922 : x
2. Step 2: Convert to fraction form
   87,278.50/187,922 = 187,922/x
3. Step 3: Cross multiply
   87,278.50x = 187,922 × 187,922
4. Step 4: Simplify right side
   87,278.50x = 35,314,678,084
5. Step 5: Solve for x
   x = 35,314,678,084/87,278.50
6. Step 6: Final answer
   x = 404,620.59