Finding the Third Proportional to 138,076 and 301,996

Step by Step Solution

1. Step 1: Write the proportion equation
   138,076 : 301,996 = 301,996 : x
2. Step 2: Convert to fraction form
   138,076/301,996 = 301,996/x
3. Step 3: Cross multiply
   138,076x = 301,996 × 301,996
4. Step 4: Simplify right side
   138,076x = 91,201,584,016
5. Step 5: Solve for x
   x = 91,201,584,016/138,076
6. Step 6: Final answer
   x = 660,517.28