Finding the Third Proportional to 19,559.25 and 42,702.75

Step by Step Solution

1. Step 1: Write the proportion equation
   19,559.25 : 42,702.75 = 42,702.75 : x
2. Step 2: Convert to fraction form
   19,559.25/42,702.75 = 42,702.75/x
3. Step 3: Cross multiply
   19,559.25x = 42,702.75 × 42,702.75
4. Step 4: Simplify right side
   19,559.25x = 1,823,524,857.56
5. Step 5: Solve for x
   x = 1,823,524,857.56/19,559.25
6. Step 6: Final answer
   x = 93,230.82