Finding the Third Proportional to 223,428 and 487,002

Step by Step Solution

1. Step 1: Write the proportion equation
   223,428 : 487,002 = 487,002 : x
2. Step 2: Convert to fraction form
   223,428/487,002 = 487,002/x
3. Step 3: Cross multiply
   223,428x = 487,002 × 487,002
4. Step 4: Simplify right side
   223,428x = 237,170,948,004
5. Step 5: Solve for x
   x = 237,170,948,004/223,428
6. Step 6: Final answer
   x = 1,061,509.52