Finding the Third Proportional to 224,748 and 490,912

Step by Step Solution

1. Step 1: Write the proportion equation
   224,748 : 490,912 = 490,912 : x
2. Step 2: Convert to fraction form
   224,748/490,912 = 490,912/x
3. Step 3: Cross multiply
   224,748x = 490,912 × 490,912
4. Step 4: Simplify right side
   224,748x = 240,994,591,744
5. Step 5: Solve for x
   x = 240,994,591,744/224,748
6. Step 6: Final answer
   x = 1,072,288.04