Finding the Third Proportional to 196,851.94 and 406,827.56

Step by Step Solution

1. Step 1: Write the proportion equation
   196,851.94 : 406,827.56 = 406,827.56 : x
2. Step 2: Convert to fraction form
   196,851.94/406,827.56 = 406,827.56/x
3. Step 3: Cross multiply
   196,851.94x = 406,827.56 × 406,827.56
4. Step 4: Simplify right side
   196,851.94x = 165,508,665,609.69
5. Step 5: Solve for x
   x = 165,508,665,609.69/196,851.94
6. Step 6: Final answer
   x = 840,777.43