Finding the Third Proportional to 91,164 and 196,908

Step by Step Solution

1. Step 1: Write the proportion equation
   91,164 : 196,908 = 196,908 : x
2. Step 2: Convert to fraction form
   91,164/196,908 = 196,908/x
3. Step 3: Cross multiply
   91,164x = 196,908 × 196,908
4. Step 4: Simplify right side
   91,164x = 38,772,760,464
5. Step 5: Solve for x
   x = 38,772,760,464/91,164
6. Step 6: Final answer
   x = 425,307.80