Finding the Third Proportional to 19,676.25 and 42,268.50

Step by Step Solution

1. Step 1: Write the proportion equation
   19,676.25 : 42,268.50 = 42,268.50 : x
2. Step 2: Convert to fraction form
   19,676.25/42,268.50 = 42,268.50/x
3. Step 3: Cross multiply
   19,676.25x = 42,268.50 × 42,268.50
4. Step 4: Simplify right side
   19,676.25x = 1,786,626,092.25
5. Step 5: Solve for x
   x = 1,786,626,092.25/19,676.25
6. Step 6: Final answer
   x = 90,801.15