Finding the Third Proportional to 19,434 and 41,940

Step by Step Solution

1. Step 1: Write the proportion equation
   19,434 : 41,940 = 41,940 : x
2. Step 2: Convert to fraction form
   19,434/41,940 = 41,940/x
3. Step 3: Cross multiply
   19,434x = 41,940 × 41,940
4. Step 4: Simplify right side
   19,434x = 1,758,963,600
5. Step 5: Solve for x
   x = 1,758,963,600/19,434
6. Step 6: Final answer
   x = 90,509.60