Finding the Third Proportional to 103,470.50 and 221,699

Step by Step Solution

1. Step 1: Write the proportion equation
   103,470.50 : 221,699 = 221,699 : x
2. Step 2: Convert to fraction form
   103,470.50/221,699 = 221,699/x
3. Step 3: Cross multiply
   103,470.50x = 221,699 × 221,699
4. Step 4: Simplify right side
   103,470.50x = 49,150,446,601
5. Step 5: Solve for x
   x = 49,150,446,601/103,470.50
6. Step 6: Final answer
   x = 475,018.93