Finding the Third Proportional to 10,064.25 and 21,858.75

Step by Step Solution

1. Step 1: Write the proportion equation
   10,064.25 : 21,858.75 = 21,858.75 : x
2. Step 2: Convert to fraction form
   10,064.25/21,858.75 = 21,858.75/x
3. Step 3: Cross multiply
   10,064.25x = 21,858.75 × 21,858.75
4. Step 4: Simplify right side
   10,064.25x = 477,804,951.56
5. Step 5: Solve for x
   x = 477,804,951.56/10,064.25
6. Step 6: Final answer
   x = 47,475.47