Finding the Third Proportional to 50,998 and 84,280

Step by Step Solution

1. Step 1: Write the proportion equation
   50,998 : 84,280 = 84,280 : x
2. Step 2: Convert to fraction form
   50,998/84,280 = 84,280/x
3. Step 3: Cross multiply
   50,998x = 84,280 × 84,280
4. Step 4: Simplify right side
   50,998x = 7,103,118,400
5. Step 5: Solve for x
   x = 7,103,118,400/50,998
6. Step 6: Final answer
   x = 139,282.29