Finding the Third Proportional to 227,772 and 487,070

Step by Step Solution

1. Step 1: Write the proportion equation
   227,772 : 487,070 = 487,070 : x
2. Step 2: Convert to fraction form
   227,772/487,070 = 487,070/x
3. Step 3: Cross multiply
   227,772x = 487,070 × 487,070
4. Step 4: Simplify right side
   227,772x = 237,237,184,900
5. Step 5: Solve for x
   x = 237,237,184,900/227,772
6. Step 6: Final answer
   x = 1,041,555.52