Finding the Third Proportional to 19,311 and 42,314

Step by Step Solution

1. Step 1: Write the proportion equation
   19,311 : 42,314 = 42,314 : x
2. Step 2: Convert to fraction form
   19,311/42,314 = 42,314/x
3. Step 3: Cross multiply
   19,311x = 42,314 × 42,314
4. Step 4: Simplify right side
   19,311x = 1,790,474,596
5. Step 5: Solve for x
   x = 1,790,474,596/19,311
6. Step 6: Final answer
   x = 92,717.86