Finding the Third Proportional to 90,624 and 200,832

Step by Step Solution

1. Step 1: Write the proportion equation
   90,624 : 200,832 = 200,832 : x
2. Step 2: Convert to fraction form
   90,624/200,832 = 200,832/x
3. Step 3: Cross multiply
   90,624x = 200,832 × 200,832
4. Step 4: Simplify right side
   90,624x = 40,333,492,224
5. Step 5: Solve for x
   x = 40,333,492,224/90,624
6. Step 6: Final answer
   x = 445,064.14