Finding the Third Proportional to 216,969.50 and 470,025

Step by Step Solution

1. Step 1: Write the proportion equation
   216,969.50 : 470,025 = 470,025 : x
2. Step 2: Convert to fraction form
   216,969.50/470,025 = 470,025/x
3. Step 3: Cross multiply
   216,969.50x = 470,025 × 470,025
4. Step 4: Simplify right side
   216,969.50x = 220,923,500,625
5. Step 5: Solve for x
   x = 220,923,500,625/216,969.50
6. Step 6: Final answer
   x = 1,018,223.76