Finding the Third Proportional to 91,167 and 196,914

Step by Step Solution

1. Step 1: Write the proportion equation
   91,167 : 196,914 = 196,914 : x
2. Step 2: Convert to fraction form
   91,167/196,914 = 196,914/x
3. Step 3: Cross multiply
   91,167x = 196,914 × 196,914
4. Step 4: Simplify right side
   91,167x = 38,775,123,396
5. Step 5: Solve for x
   x = 38,775,123,396/91,167
6. Step 6: Final answer
   x = 425,319.73