Finding the Third Proportional to 470,262 and 672,210

Step by Step Solution

1. Step 1: Write the proportion equation
   470,262 : 672,210 = 672,210 : x
2. Step 2: Convert to fraction form
   470,262/672,210 = 672,210/x
3. Step 3: Cross multiply
   470,262x = 672,210 × 672,210
4. Step 4: Simplify right side
   470,262x = 451,866,284,100
5. Step 5: Solve for x
   x = 451,866,284,100/470,262
6. Step 6: Final answer
   x = 960,881.99