Finding the Third Proportional to 21,903 and 34,686

Step by Step Solution

1. Step 1: Write the proportion equation
   21,903 : 34,686 = 34,686 : x
2. Step 2: Convert to fraction form
   21,903/34,686 = 34,686/x
3. Step 3: Cross multiply
   21,903x = 34,686 × 34,686
4. Step 4: Simplify right side
   21,903x = 1,203,118,596
5. Step 5: Solve for x
   x = 1,203,118,596/21,903
6. Step 6: Final answer
   x = 54,929.40