Finding the Third Proportional to 50,908.50 and 84,360

Step by Step Solution

1. Step 1: Write the proportion equation
   50,908.50 : 84,360 = 84,360 : x
2. Step 2: Convert to fraction form
   50,908.50/84,360 = 84,360/x
3. Step 3: Cross multiply
   50,908.50x = 84,360 × 84,360
4. Step 4: Simplify right side
   50,908.50x = 7,116,609,600
5. Step 5: Solve for x
   x = 7,116,609,600/50,908.50
6. Step 6: Final answer
   x = 139,792.17