Finding the Third Proportional to 42,316 and 91,568

Step by Step Solution

1. Step 1: Write the proportion equation
   42,316 : 91,568 = 91,568 : x
2. Step 2: Convert to fraction form
   42,316/91,568 = 91,568/x
3. Step 3: Cross multiply
   42,316x = 91,568 × 91,568
4. Step 4: Simplify right side
   42,316x = 8,384,698,624
5. Step 5: Solve for x
   x = 8,384,698,624/42,316
6. Step 6: Final answer
   x = 198,144.88