Finding the Third Proportional to 12,906 and 28,242

Step by Step Solution

1. Step 1: Write the proportion equation
   12,906 : 28,242 = 28,242 : x
2. Step 2: Convert to fraction form
   12,906/28,242 = 28,242/x
3. Step 3: Cross multiply
   12,906x = 28,242 × 28,242
4. Step 4: Simplify right side
   12,906x = 797,610,564
5. Step 5: Solve for x
   x = 797,610,564/12,906
6. Step 6: Final answer
   x = 61,801.53