Finding the Third Proportional to 140,709 and 301,102

Step by Step Solution

1. Step 1: Write the proportion equation
   140,709 : 301,102 = 301,102 : x
2. Step 2: Convert to fraction form
   140,709/301,102 = 301,102/x
3. Step 3: Cross multiply
   140,709x = 301,102 × 301,102
4. Step 4: Simplify right side
   140,709x = 90,662,414,404
5. Step 5: Solve for x
   x = 90,662,414,404/140,709
6. Step 6: Final answer
   x = 644,325.63