Finding the Third Proportional to 42,318 and 91,017

Step by Step Solution

1. Step 1: Write the proportion equation
   42,318 : 91,017 = 91,017 : x
2. Step 2: Convert to fraction form
   42,318/91,017 = 91,017/x
3. Step 3: Cross multiply
   42,318x = 91,017 × 91,017
4. Step 4: Simplify right side
   42,318x = 8,284,094,289
5. Step 5: Solve for x
   x = 8,284,094,289/42,318
6. Step 6: Final answer
   x = 195,758.17