Finding the Third Proportional to 83,451.50 and 128,093.50

Step by Step Solution

1. Step 1: Write the proportion equation
   83,451.50 : 128,093.50 = 128,093.50 : x
2. Step 2: Convert to fraction form
   83,451.50/128,093.50 = 128,093.50/x
3. Step 3: Cross multiply
   83,451.50x = 128,093.50 × 128,093.50
4. Step 4: Simplify right side
   83,451.50x = 16,407,944,742.25
5. Step 5: Solve for x
   x = 16,407,944,742.25/83,451.50
6. Step 6: Final answer
   x = 196,616.53