Finding the Third Proportional to 194,521.50 and 422,253

Step by Step Solution

1. Step 1: Write the proportion equation
   194,521.50 : 422,253 = 422,253 : x
2. Step 2: Convert to fraction form
   194,521.50/422,253 = 422,253/x
3. Step 3: Cross multiply
   194,521.50x = 422,253 × 422,253
4. Step 4: Simplify right side
   194,521.50x = 178,297,596,009
5. Step 5: Solve for x
   x = 178,297,596,009/194,521.50
6. Step 6: Final answer
   x = 916,595.83