Finding the Third Proportional to 10,040.84 and 21,868.10

Step by Step Solution

1. Step 1: Write the proportion equation
   10,040.84 : 21,868.10 = 21,868.10 : x
2. Step 2: Convert to fraction form
   10,040.84/21,868.10 = 21,868.10/x
3. Step 3: Cross multiply
   10,040.84x = 21,868.10 × 21,868.10
4. Step 4: Simplify right side
   10,040.84x = 478,213,865.95
5. Step 5: Solve for x
   x = 478,213,865.95/10,040.84
6. Step 6: Final answer
   x = 47,626.90