Finding the Third Proportional to 14,355 and 31,072.50

Step by Step Solution

1. Step 1: Write the proportion equation
   14,355 : 31,072.50 = 31,072.50 : x
2. Step 2: Convert to fraction form
   14,355/31,072.50 = 31,072.50/x
3. Step 3: Cross multiply
   14,355x = 31,072.50 × 31,072.50
4. Step 4: Simplify right side
   14,355x = 965,500,256.25
5. Step 5: Solve for x
   x = 965,500,256.25/14,355
6. Step 6: Final answer
   x = 67,258.81