Finding the Third Proportional to 10,458 and 14,658

Step by Step Solution

1. Step 1: Write the proportion equation
   10,458 : 14,658 = 14,658 : x
2. Step 2: Convert to fraction form
   10,458/14,658 = 14,658/x
3. Step 3: Cross multiply
   10,458x = 14,658 × 14,658
4. Step 4: Simplify right side
   10,458x = 214,856,964
5. Step 5: Solve for x
   x = 214,856,964/10,458
6. Step 6: Final answer
   x = 20,544.75