Finding the Third Proportional to 220,672.50 and 472,449

Step by Step Solution

1. Step 1: Write the proportion equation
   220,672.50 : 472,449 = 472,449 : x
2. Step 2: Convert to fraction form
   220,672.50/472,449 = 472,449/x
3. Step 3: Cross multiply
   220,672.50x = 472,449 × 472,449
4. Step 4: Simplify right side
   220,672.50x = 223,208,057,601
5. Step 5: Solve for x
   x = 223,208,057,601/220,672.50
6. Step 6: Final answer
   x = 1,011,490.14