Finding the Third Proportional to 91,815.50 and 194,656

Step by Step Solution

1. Step 1: Write the proportion equation
   91,815.50 : 194,656 = 194,656 : x
2. Step 2: Convert to fraction form
   91,815.50/194,656 = 194,656/x
3. Step 3: Cross multiply
   91,815.50x = 194,656 × 194,656
4. Step 4: Simplify right side
   91,815.50x = 37,890,958,336
5. Step 5: Solve for x
   x = 37,890,958,336/91,815.50
6. Step 6: Final answer
   x = 412,685.86