Finding the Third Proportional to 19,695.75 and 42,159.75

Step by Step Solution

1. Step 1: Write the proportion equation
   19,695.75 : 42,159.75 = 42,159.75 : x
2. Step 2: Convert to fraction form
   19,695.75/42,159.75 = 42,159.75/x
3. Step 3: Cross multiply
   19,695.75x = 42,159.75 × 42,159.75
4. Step 4: Simplify right side
   19,695.75x = 1,777,444,520.06
5. Step 5: Solve for x
   x = 1,777,444,520.06/19,695.75
6. Step 6: Final answer
   x = 90,245.08