Finding the Third Proportional to 4,885.31 and 10,314.84

Step by Step Solution

1. Step 1: Write the proportion equation
   4,885.31 : 10,314.84 = 10,314.84 : x
2. Step 2: Convert to fraction form
   4,885.31/10,314.84 = 10,314.84/x
3. Step 3: Cross multiply
   4,885.31x = 10,314.84 × 10,314.84
4. Step 4: Simplify right side
   4,885.31x = 106,396,001.59
5. Step 5: Solve for x
   x = 106,396,001.59/4,885.31
6. Step 6: Final answer
   x = 21,778.75