Finding the Third Proportional to 14,910 and 31,907

Step by Step Solution

1. Step 1: Write the proportion equation
   14,910 : 31,907 = 31,907 : x
2. Step 2: Convert to fraction form
   14,910/31,907 = 31,907/x
3. Step 3: Cross multiply
   14,910x = 31,907 × 31,907
4. Step 4: Simplify right side
   14,910x = 1,018,056,649
5. Step 5: Solve for x
   x = 1,018,056,649/14,910
6. Step 6: Final answer
   x = 68,280.12