Finding the Third Proportional to 12,985 and 28,249

Step by Step Solution

1. Step 1: Write the proportion equation
   12,985 : 28,249 = 28,249 : x
2. Step 2: Convert to fraction form
   12,985/28,249 = 28,249/x
3. Step 3: Cross multiply
   12,985x = 28,249 × 28,249
4. Step 4: Simplify right side
   12,985x = 798,006,001
5. Step 5: Solve for x
   x = 798,006,001/12,985
6. Step 6: Final answer
   x = 61,455.99