Finding the Third Proportional to 219,007.50 and 470,757

Step by Step Solution

1. Step 1: Write the proportion equation
   219,007.50 : 470,757 = 470,757 : x
2. Step 2: Convert to fraction form
   219,007.50/470,757 = 470,757/x
3. Step 3: Cross multiply
   219,007.50x = 470,757 × 470,757
4. Step 4: Simplify right side
   219,007.50x = 221,612,153,049
5. Step 5: Solve for x
   x = 221,612,153,049/219,007.50
6. Step 6: Final answer
   x = 1,011,892.99