Finding the Third Proportional to 21,786.47 and 47,570.63

Step by Step Solution

1. Step 1: Write the proportion equation
   21,786.47 : 47,570.63 = 47,570.63 : x
2. Step 2: Convert to fraction form
   21,786.47/47,570.63 = 47,570.63/x
3. Step 3: Cross multiply
   21,786.47x = 47,570.63 × 47,570.63
4. Step 4: Simplify right side
   21,786.47x = 2,262,964,362.89
5. Step 5: Solve for x
   x = 2,262,964,362.89/21,786.47
6. Step 6: Final answer
   x = 103,870.18