Finding the Third Proportional to 4,869.49 and 10,665.90

Step by Step Solution

1. Step 1: Write the proportion equation
   4,869.49 : 10,665.90 = 10,665.90 : x
2. Step 2: Convert to fraction form
   4,869.49/10,665.90 = 10,665.90/x
3. Step 3: Cross multiply
   4,869.49x = 10,665.90 × 10,665.90
4. Step 4: Simplify right side
   4,869.49x = 113,761,347.82
5. Step 5: Solve for x
   x = 113,761,347.82/4,869.49
6. Step 6: Final answer
   x = 23,362.06