Finding the Third Proportional to 142,932 and 301,721

Step by Step Solution

1. Step 1: Write the proportion equation
   142,932 : 301,721 = 301,721 : x
2. Step 2: Convert to fraction form
   142,932/301,721 = 301,721/x
3. Step 3: Cross multiply
   142,932x = 301,721 × 301,721
4. Step 4: Simplify right side
   142,932x = 91,035,561,841
5. Step 5: Solve for x
   x = 91,035,561,841/142,932
6. Step 6: Final answer
   x = 636,915.19