Finding the Third Proportional to 80,504.50 and 105,893

Step by Step Solution

1. Step 1: Write the proportion equation
   80,504.50 : 105,893 = 105,893 : x
2. Step 2: Convert to fraction form
   80,504.50/105,893 = 105,893/x
3. Step 3: Cross multiply
   80,504.50x = 105,893 × 105,893
4. Step 4: Simplify right side
   80,504.50x = 11,213,327,449
5. Step 5: Solve for x
   x = 11,213,327,449/80,504.50
6. Step 6: Final answer
   x = 139,288.21