Finding the Third Proportional to 64,302 and 139,002

Step by Step Solution

1. Step 1: Write the proportion equation
   64,302 : 139,002 = 139,002 : x
2. Step 2: Convert to fraction form
   64,302/139,002 = 139,002/x
3. Step 3: Cross multiply
   64,302x = 139,002 × 139,002
4. Step 4: Simplify right side
   64,302x = 19,321,556,004
5. Step 5: Solve for x
   x = 19,321,556,004/64,302
6. Step 6: Final answer
   x = 300,481.42