Finding the Third Proportional to 71,457.75 and 152,408.25

Step by Step Solution

1. Step 1: Write the proportion equation
   71,457.75 : 152,408.25 = 152,408.25 : x
2. Step 2: Convert to fraction form
   71,457.75/152,408.25 = 152,408.25/x
3. Step 3: Cross multiply
   71,457.75x = 152,408.25 × 152,408.25
4. Step 4: Simplify right side
   71,457.75x = 23,228,274,668.06
5. Step 5: Solve for x
   x = 23,228,274,668.06/71,457.75
6. Step 6: Final answer
   x = 325,063.06