Finding the Third Proportional to 21,870 and 52,893

Step by Step Solution

1. Step 1: Write the proportion equation
   21,870 : 52,893 = 52,893 : x
2. Step 2: Convert to fraction form
   21,870/52,893 = 52,893/x
3. Step 3: Cross multiply
   21,870x = 52,893 × 52,893
4. Step 4: Simplify right side
   21,870x = 2,797,669,449
5. Step 5: Solve for x
   x = 2,797,669,449/21,870
6. Step 6: Final answer
   x = 127,922.70