Finding the Third Proportional to 21,859.88 and 47,759.63

Step by Step Solution

1. Step 1: Write the proportion equation
   21,859.88 : 47,759.63 = 47,759.63 : x
2. Step 2: Convert to fraction form
   21,859.88/47,759.63 = 47,759.63/x
3. Step 3: Cross multiply
   21,859.88x = 47,759.63 × 47,759.63
4. Step 4: Simplify right side
   21,859.88x = 2,280,981,780.14
5. Step 5: Solve for x
   x = 2,280,981,780.14/21,859.88
6. Step 6: Final answer
   x = 104,345.60