Finding the Third Proportional to 42,744 and 91,800

Step by Step Solution

1. Step 1: Write the proportion equation
   42,744 : 91,800 = 91,800 : x
2. Step 2: Convert to fraction form
   42,744/91,800 = 91,800/x
3. Step 3: Cross multiply
   42,744x = 91,800 × 91,800
4. Step 4: Simplify right side
   42,744x = 8,427,240,000
5. Step 5: Solve for x
   x = 8,427,240,000/42,744
6. Step 6: Final answer
   x = 197,156.09