Finding the Third Proportional to 19,591 and 42,860

Step by Step Solution

1. Step 1: Write the proportion equation
   19,591 : 42,860 = 42,860 : x
2. Step 2: Convert to fraction form
   19,591/42,860 = 42,860/x
3. Step 3: Cross multiply
   19,591x = 42,860 × 42,860
4. Step 4: Simplify right side
   19,591x = 1,836,979,600
5. Step 5: Solve for x
   x = 1,836,979,600/19,591
6. Step 6: Final answer
   x = 93,766.51