Finding the Third Proportional to 21,819 and 34,602

Step by Step Solution

1. Step 1: Write the proportion equation
   21,819 : 34,602 = 34,602 : x
2. Step 2: Convert to fraction form
   21,819/34,602 = 34,602/x
3. Step 3: Cross multiply
   21,819x = 34,602 × 34,602
4. Step 4: Simplify right side
   21,819x = 1,197,298,404
5. Step 5: Solve for x
   x = 1,197,298,404/21,819
6. Step 6: Final answer
   x = 54,874.12