Finding the Third Proportional to 57,409.25 and 83,845.75

Step by Step Solution

1. Step 1: Write the proportion equation
   57,409.25 : 83,845.75 = 83,845.75 : x
2. Step 2: Convert to fraction form
   57,409.25/83,845.75 = 83,845.75/x
3. Step 3: Cross multiply
   57,409.25x = 83,845.75 × 83,845.75
4. Step 4: Simplify right side
   57,409.25x = 7,030,109,793.06
5. Step 5: Solve for x
   x = 7,030,109,793.06/57,409.25
6. Step 6: Final answer
   x = 122,456.05