Finding the Third Proportional to 13,921.88 and 30,612.94

Step by Step Solution

1. Step 1: Write the proportion equation
   13,921.88 : 30,612.94 = 30,612.94 : x
2. Step 2: Convert to fraction form
   13,921.88/30,612.94 = 30,612.94/x
3. Step 3: Cross multiply
   13,921.88x = 30,612.94 × 30,612.94
4. Step 4: Simplify right side
   13,921.88x = 937,151,942.38
5. Step 5: Solve for x
   x = 937,151,942.38/13,921.88
6. Step 6: Final answer
   x = 67,315.07