Finding the Third Proportional to 55,903.50 and 83,909.25

Step by Step Solution

1. Step 1: Write the proportion equation
   55,903.50 : 83,909.25 = 83,909.25 : x
2. Step 2: Convert to fraction form
   55,903.50/83,909.25 = 83,909.25/x
3. Step 3: Cross multiply
   55,903.50x = 83,909.25 × 83,909.25
4. Step 4: Simplify right side
   55,903.50x = 7,040,762,235.56
5. Step 5: Solve for x
   x = 7,040,762,235.56/55,903.50
6. Step 6: Final answer
   x = 125,944.93