Finding the Third Proportional to 142,069 and 236,751

Step by Step Solution

1. Step 1: Write the proportion equation
   142,069 : 236,751 = 236,751 : x
2. Step 2: Convert to fraction form
   142,069/236,751 = 236,751/x
3. Step 3: Cross multiply
   142,069x = 236,751 × 236,751
4. Step 4: Simplify right side
   142,069x = 56,051,036,001
5. Step 5: Solve for x
   x = 56,051,036,001/142,069
6. Step 6: Final answer
   x = 394,533.90