Finding the Third Proportional to 31,608 and 46,243

Step by Step Solution

1. Step 1: Write the proportion equation
   31,608 : 46,243 = 46,243 : x
2. Step 2: Convert to fraction form
   31,608/46,243 = 46,243/x
3. Step 3: Cross multiply
   31,608x = 46,243 × 46,243
4. Step 4: Simplify right side
   31,608x = 2,138,415,049
5. Step 5: Solve for x
   x = 2,138,415,049/31,608
6. Step 6: Final answer
   x = 67,654.23