Finding the Third Proportional to 19,616 and 42,940

Step by Step Solution

1. Step 1: Write the proportion equation
   19,616 : 42,940 = 42,940 : x
2. Step 2: Convert to fraction form
   19,616/42,940 = 42,940/x
3. Step 3: Cross multiply
   19,616x = 42,940 × 42,940
4. Step 4: Simplify right side
   19,616x = 1,843,843,600
5. Step 5: Solve for x
   x = 1,843,843,600/19,616
6. Step 6: Final answer
   x = 93,996.92