Finding the Third Proportional to 138,056 and 301,960

Step by Step Solution

1. Step 1: Write the proportion equation
   138,056 : 301,960 = 301,960 : x
2. Step 2: Convert to fraction form
   138,056/301,960 = 301,960/x
3. Step 3: Cross multiply
   138,056x = 301,960 × 301,960
4. Step 4: Simplify right side
   138,056x = 91,179,841,600
5. Step 5: Solve for x
   x = 91,179,841,600/138,056
6. Step 6: Final answer
   x = 660,455.48