Finding the Third Proportional to 91,864.13 and 196,849.69

Step by Step Solution

1. Step 1: Write the proportion equation
   91,864.13 : 196,849.69 = 196,849.69 : x
2. Step 2: Convert to fraction form
   91,864.13/196,849.69 = 196,849.69/x
3. Step 3: Cross multiply
   91,864.13x = 196,849.69 × 196,849.69
4. Step 4: Simplify right side
   91,864.13x = 38,749,799,468.85
5. Step 5: Solve for x
   x = 38,749,799,468.85/91,864.13
6. Step 6: Final answer
   x = 421,816.45