Finding the Third Proportional to 10,064.81 and 21,859.88

Step by Step Solution

1. Step 1: Write the proportion equation
   10,064.81 : 21,859.88 = 21,859.88 : x
2. Step 2: Convert to fraction form
   10,064.81/21,859.88 = 21,859.88/x
3. Step 3: Cross multiply
   10,064.81x = 21,859.88 × 21,859.88
4. Step 4: Simplify right side
   10,064.81x = 477,854,135.02
5. Step 5: Solve for x
   x = 477,854,135.02/10,064.81
6. Step 6: Final answer
   x = 47,477.70