Finding the Third Proportional to 13,931.44 and 30,630.38

Step by Step Solution

1. Step 1: Write the proportion equation
   13,931.44 : 30,630.38 = 30,630.38 : x
2. Step 2: Convert to fraction form
   13,931.44/30,630.38 = 30,630.38/x
3. Step 3: Cross multiply
   13,931.44x = 30,630.38 × 30,630.38
4. Step 4: Simplify right side
   13,931.44x = 938,219,872.64
5. Step 5: Solve for x
   x = 938,219,872.64/13,931.44
6. Step 6: Final answer
   x = 67,345.52