Finding the Third Proportional to 401,687 and 571,062

Step by Step Solution

1. Step 1: Write the proportion equation
   401,687 : 571,062 = 571,062 : x
2. Step 2: Convert to fraction form
   401,687/571,062 = 571,062/x
3. Step 3: Cross multiply
   401,687x = 571,062 × 571,062
4. Step 4: Simplify right side
   401,687x = 326,111,807,844
5. Step 5: Solve for x
   x = 326,111,807,844/401,687
6. Step 6: Final answer
   x = 811,855.52