Finding the Third Proportional to 1,820 and 4,886

Step by Step Solution

1. Step 1: Write the proportion equation
   1,820 : 4,886 = 4,886 : x
2. Step 2: Convert to fraction form
   1,820/4,886 = 4,886/x
3. Step 3: Cross multiply
   1,820x = 4,886 × 4,886
4. Step 4: Simplify right side
   1,820x = 23,872,996
5. Step 5: Solve for x
   x = 23,872,996/1,820
6. Step 6: Final answer
   x = 13,117.03