Finding the Third Proportional to 20,560.25 and 42,736.25

Step by Step Solution

1. Step 1: Write the proportion equation
   20,560.25 : 42,736.25 = 42,736.25 : x
2. Step 2: Convert to fraction form
   20,560.25/42,736.25 = 42,736.25/x
3. Step 3: Cross multiply
   20,560.25x = 42,736.25 × 42,736.25
4. Step 4: Simplify right side
   20,560.25x = 1,826,387,064.06
5. Step 5: Solve for x
   x = 1,826,387,064.06/20,560.25
6. Step 6: Final answer
   x = 88,830.98