Finding the Third Proportional to 40,012 and 87,224

Step by Step Solution

1. Step 1: Write the proportion equation
   40,012 : 87,224 = 87,224 : x
2. Step 2: Convert to fraction form
   40,012/87,224 = 87,224/x
3. Step 3: Cross multiply
   40,012x = 87,224 × 87,224
4. Step 4: Simplify right side
   40,012x = 7,608,026,176
5. Step 5: Solve for x
   x = 7,608,026,176/40,012
6. Step 6: Final answer
   x = 190,143.61