Finding the Third Proportional to 223,494 and 488,460

Step by Step Solution

1. Step 1: Write the proportion equation
   223,494 : 488,460 = 488,460 : x
2. Step 2: Convert to fraction form
   223,494/488,460 = 488,460/x
3. Step 3: Cross multiply
   223,494x = 488,460 × 488,460
4. Step 4: Simplify right side
   223,494x = 238,593,171,600
5. Step 5: Solve for x
   x = 238,593,171,600/223,494
6. Step 6: Final answer
   x = 1,067,559.63