Finding the Third Proportional to 12,942 and 28,236

Step by Step Solution

1. Step 1: Write the proportion equation
   12,942 : 28,236 = 28,236 : x
2. Step 2: Convert to fraction form
   12,942/28,236 = 28,236/x
3. Step 3: Cross multiply
   12,942x = 28,236 × 28,236
4. Step 4: Simplify right side
   12,942x = 797,271,696
5. Step 5: Solve for x
   x = 797,271,696/12,942
6. Step 6: Final answer
   x = 61,603.44