Finding the Third Proportional to 51,942 and 113,490

Step by Step Solution

1. Step 1: Write the proportion equation
   51,942 : 113,490 = 113,490 : x
2. Step 2: Convert to fraction form
   51,942/113,490 = 113,490/x
3. Step 3: Cross multiply
   51,942x = 113,490 × 113,490
4. Step 4: Simplify right side
   51,942x = 12,879,980,100
5. Step 5: Solve for x
   x = 12,879,980,100/51,942
6. Step 6: Final answer
   x = 247,968.51