Finding the Third Proportional to 107,224 and 229,172

Step by Step Solution

1. Step 1: Write the proportion equation
   107,224 : 229,172 = 229,172 : x
2. Step 2: Convert to fraction form
   107,224/229,172 = 229,172/x
3. Step 3: Cross multiply
   107,224x = 229,172 × 229,172
4. Step 4: Simplify right side
   107,224x = 52,519,805,584
5. Step 5: Solve for x
   x = 52,519,805,584/107,224
6. Step 6: Final answer
   x = 489,813.90