Finding the Third Proportional to 65,028 and 139,758

Step by Step Solution

1. Step 1: Write the proportion equation
   65,028 : 139,758 = 139,758 : x
2. Step 2: Convert to fraction form
   65,028/139,758 = 139,758/x
3. Step 3: Cross multiply
   65,028x = 139,758 × 139,758
4. Step 4: Simplify right side
   65,028x = 19,532,298,564
5. Step 5: Solve for x
   x = 19,532,298,564/65,028
6. Step 6: Final answer
   x = 300,367.51