Finding the Third Proportional to 55,983.50 and 83,940.50

Step by Step Solution

1. Step 1: Write the proportion equation
   55,983.50 : 83,940.50 = 83,940.50 : x
2. Step 2: Convert to fraction form
   55,983.50/83,940.50 = 83,940.50/x
3. Step 3: Cross multiply
   55,983.50x = 83,940.50 × 83,940.50
4. Step 4: Simplify right side
   55,983.50x = 7,046,007,540.25
5. Step 5: Solve for x
   x = 7,046,007,540.25/55,983.50
6. Step 6: Final answer
   x = 125,858.65