Finding the Third Proportional to 177,900 and 425,228

Step by Step Solution

1. Step 1: Write the proportion equation
   177,900 : 425,228 = 425,228 : x
2. Step 2: Convert to fraction form
   177,900/425,228 = 425,228/x
3. Step 3: Cross multiply
   177,900x = 425,228 × 425,228
4. Step 4: Simplify right side
   177,900x = 180,818,851,984
5. Step 5: Solve for x
   x = 180,818,851,984/177,900
6. Step 6: Final answer
   x = 1,016,407.26