Finding the Third Proportional to 21,862.69 and 34,869.94

Step by Step Solution

1. Step 1: Write the proportion equation
   21,862.69 : 34,869.94 = 34,869.94 : x
2. Step 2: Convert to fraction form
   21,862.69/34,869.94 = 34,869.94/x
3. Step 3: Cross multiply
   21,862.69x = 34,869.94 × 34,869.94
4. Step 4: Simplify right side
   21,862.69x = 1,215,912,541.25
5. Step 5: Solve for x
   x = 1,215,912,541.25/21,862.69
6. Step 6: Final answer
   x = 55,615.88