Finding the Third Proportional to 87,224 and 191,018

Step by Step Solution

1. Step 1: Write the proportion equation
   87,224 : 191,018 = 191,018 : x
2. Step 2: Convert to fraction form
   87,224/191,018 = 191,018/x
3. Step 3: Cross multiply
   87,224x = 191,018 × 191,018
4. Step 4: Simplify right side
   87,224x = 36,487,876,324
5. Step 5: Solve for x
   x = 36,487,876,324/87,224
6. Step 6: Final answer
   x = 418,323.81