Finding the Third Proportional to 13,979 and 30,550

Step by Step Solution

1. Step 1: Write the proportion equation
   13,979 : 30,550 = 30,550 : x
2. Step 2: Convert to fraction form
   13,979/30,550 = 30,550/x
3. Step 3: Cross multiply
   13,979x = 30,550 × 30,550
4. Step 4: Simplify right side
   13,979x = 933,302,500
5. Step 5: Solve for x
   x = 933,302,500/13,979
6. Step 6: Final answer
   x = 66,764.61