Finding the Third Proportional to 19,559.25 and 42,235.88

Step by Step Solution

1. Step 1: Write the proportion equation
   19,559.25 : 42,235.88 = 42,235.88 : x
2. Step 2: Convert to fraction form
   19,559.25/42,235.88 = 42,235.88/x
3. Step 3: Cross multiply
   19,559.25x = 42,235.88 × 42,235.88
4. Step 4: Simplify right side
   19,559.25x = 1,783,869,137.02
5. Step 5: Solve for x
   x = 1,783,869,137.02/19,559.25
6. Step 6: Final answer
   x = 91,203.35