Finding the Third Proportional to 21,885.19 and 34,102.69

Step by Step Solution

1. Step 1: Write the proportion equation
   21,885.19 : 34,102.69 = 34,102.69 : x
2. Step 2: Convert to fraction form
   21,885.19/34,102.69 = 34,102.69/x
3. Step 3: Cross multiply
   21,885.19x = 34,102.69 × 34,102.69
4. Step 4: Simplify right side
   21,885.19x = 1,162,993,294.72
5. Step 5: Solve for x
   x = 1,162,993,294.72/21,885.19
6. Step 6: Final answer
   x = 53,140.66