Finding the Third Proportional to 21,938 and 34,254

Step by Step Solution

1. Step 1: Write the proportion equation
   21,938 : 34,254 = 34,254 : x
2. Step 2: Convert to fraction form
   21,938/34,254 = 34,254/x
3. Step 3: Cross multiply
   21,938x = 34,254 × 34,254
4. Step 4: Simplify right side
   21,938x = 1,173,336,516
5. Step 5: Solve for x
   x = 1,173,336,516/21,938
6. Step 6: Final answer
   x = 53,484.21