Finding the Third Proportional to 19,734.50 and 42,268

Step by Step Solution

1. Step 1: Write the proportion equation
   19,734.50 : 42,268 = 42,268 : x
2. Step 2: Convert to fraction form
   19,734.50/42,268 = 42,268/x
3. Step 3: Cross multiply
   19,734.50x = 42,268 × 42,268
4. Step 4: Simplify right side
   19,734.50x = 1,786,583,824
5. Step 5: Solve for x
   x = 1,786,583,824/19,734.50
6. Step 6: Final answer
   x = 90,530.99