Finding the Third Proportional to 42,306 and 91,108

Step by Step Solution

1. Step 1: Write the proportion equation
   42,306 : 91,108 = 91,108 : x
2. Step 2: Convert to fraction form
   42,306/91,108 = 91,108/x
3. Step 3: Cross multiply
   42,306x = 91,108 × 91,108
4. Step 4: Simplify right side
   42,306x = 8,300,667,664
5. Step 5: Solve for x
   x = 8,300,667,664/42,306
6. Step 6: Final answer
   x = 196,205.45