Finding the Third Proportional to 19,934.50 and 30,431

Step by Step Solution

1. Step 1: Write the proportion equation
   19,934.50 : 30,431 = 30,431 : x
2. Step 2: Convert to fraction form
   19,934.50/30,431 = 30,431/x
3. Step 3: Cross multiply
   19,934.50x = 30,431 × 30,431
4. Step 4: Simplify right side
   19,934.50x = 926,045,761
5. Step 5: Solve for x
   x = 926,045,761/19,934.50
6. Step 6: Final answer
   x = 46,454.43