Finding the Third Proportional to 20,009.75 and 42,935.25

Step by Step Solution

1. Step 1: Write the proportion equation
   20,009.75 : 42,935.25 = 42,935.25 : x
2. Step 2: Convert to fraction form
   20,009.75/42,935.25 = 42,935.25/x
3. Step 3: Cross multiply
   20,009.75x = 42,935.25 × 42,935.25
4. Step 4: Simplify right side
   20,009.75x = 1,843,435,692.56
5. Step 5: Solve for x
   x = 1,843,435,692.56/20,009.75
6. Step 6: Final answer
   x = 92,126.87