Finding the Third Proportional to 221,652 and 472,788

Step by Step Solution

1. Step 1: Write the proportion equation
   221,652 : 472,788 = 472,788 : x
2. Step 2: Convert to fraction form
   221,652/472,788 = 472,788/x
3. Step 3: Cross multiply
   221,652x = 472,788 × 472,788
4. Step 4: Simplify right side
   221,652x = 223,528,492,944
5. Step 5: Solve for x
   x = 223,528,492,944/221,652
6. Step 6: Final answer
   x = 1,008,465.94