Finding the Third Proportional to 12,885.75 and 28,262.25

Step by Step Solution

1. Step 1: Write the proportion equation
   12,885.75 : 28,262.25 = 28,262.25 : x
2. Step 2: Convert to fraction form
   12,885.75/28,262.25 = 28,262.25/x
3. Step 3: Cross multiply
   12,885.75x = 28,262.25 × 28,262.25
4. Step 4: Simplify right side
   12,885.75x = 798,754,775.06
5. Step 5: Solve for x
   x = 798,754,775.06/12,885.75
6. Step 6: Final answer
   x = 61,987.45