Finding the Third Proportional to 21,393 and 34,043

Step by Step Solution

1. Step 1: Write the proportion equation
   21,393 : 34,043 = 34,043 : x
2. Step 2: Convert to fraction form
   21,393/34,043 = 34,043/x
3. Step 3: Cross multiply
   21,393x = 34,043 × 34,043
4. Step 4: Simplify right side
   21,393x = 1,158,925,849
5. Step 5: Solve for x
   x = 1,158,925,849/21,393
6. Step 6: Final answer
   x = 54,173.13