Finding the Third Proportional to 31,005 and 49,281

Step by Step Solution

1. Step 1: Write the proportion equation
   31,005 : 49,281 = 49,281 : x
2. Step 2: Convert to fraction form
   31,005/49,281 = 49,281/x
3. Step 3: Cross multiply
   31,005x = 49,281 × 49,281
4. Step 4: Simplify right side
   31,005x = 2,428,616,961
5. Step 5: Solve for x
   x = 2,428,616,961/31,005
6. Step 6: Final answer
   x = 78,329.85