Finding the Third Proportional to 91,856.06 and 196,834.13

Step by Step Solution

1. Step 1: Write the proportion equation
   91,856.06 : 196,834.13 = 196,834.13 : x
2. Step 2: Convert to fraction form
   91,856.06/196,834.13 = 196,834.13/x
3. Step 3: Cross multiply
   91,856.06x = 196,834.13 × 196,834.13
4. Step 4: Simplify right side
   91,856.06x = 38,743,672,764.52
5. Step 5: Solve for x
   x = 38,743,672,764.52/91,856.06
6. Step 6: Final answer
   x = 421,786.78