Finding the Third Proportional to 92,443.78 and 196,804.69

Step by Step Solution

1. Step 1: Write the proportion equation
   92,443.78 : 196,804.69 = 196,804.69 : x
2. Step 2: Convert to fraction form
   92,443.78/196,804.69 = 196,804.69/x
3. Step 3: Cross multiply
   92,443.78x = 196,804.69 × 196,804.69
4. Step 4: Simplify right side
   92,443.78x = 38,732,085,021.97
5. Step 5: Solve for x
   x = 38,732,085,021.97/92,443.78
6. Step 6: Final answer
   x = 418,979.89