Finding the Third Proportional to 125,401.50 and 196,425

Step by Step Solution

1. Step 1: Write the proportion equation
   125,401.50 : 196,425 = 196,425 : x
2. Step 2: Convert to fraction form
   125,401.50/196,425 = 196,425/x
3. Step 3: Cross multiply
   125,401.50x = 196,425 × 196,425
4. Step 4: Simplify right side
   125,401.50x = 38,582,780,625
5. Step 5: Solve for x
   x = 38,582,780,625/125,401.50
6. Step 6: Final answer
   x = 307,674.00