Finding the Third Proportional to 13,939 and 30,650

Step by Step Solution

1. Step 1: Write the proportion equation
   13,939 : 30,650 = 30,650 : x
2. Step 2: Convert to fraction form
   13,939/30,650 = 30,650/x
3. Step 3: Cross multiply
   13,939x = 30,650 × 30,650
4. Step 4: Simplify right side
   13,939x = 939,422,500
5. Step 5: Solve for x
   x = 939,422,500/13,939
6. Step 6: Final answer
   x = 67,395.26