Finding the Third Proportional to 30,478 and 43,494

Step by Step Solution

1. Step 1: Write the proportion equation
   30,478 : 43,494 = 43,494 : x
2. Step 2: Convert to fraction form
   30,478/43,494 = 43,494/x
3. Step 3: Cross multiply
   30,478x = 43,494 × 43,494
4. Step 4: Simplify right side
   30,478x = 1,891,728,036
5. Step 5: Solve for x
   x = 1,891,728,036/30,478
6. Step 6: Final answer
   x = 62,068.64