Finding the Third Proportional to 30,681 and 46,912

Step by Step Solution

1. Step 1: Write the proportion equation
   30,681 : 46,912 = 46,912 : x
2. Step 2: Convert to fraction form
   30,681/46,912 = 46,912/x
3. Step 3: Cross multiply
   30,681x = 46,912 × 46,912
4. Step 4: Simplify right side
   30,681x = 2,200,735,744
5. Step 5: Solve for x
   x = 2,200,735,744/30,681
6. Step 6: Final answer
   x = 71,729.60