Finding the Third Proportional to 21,891.38 and 47,417.63

Step by Step Solution

1. Step 1: Write the proportion equation
   21,891.38 : 47,417.63 = 47,417.63 : x
2. Step 2: Convert to fraction form
   21,891.38/47,417.63 = 47,417.63/x
3. Step 3: Cross multiply
   21,891.38x = 47,417.63 × 47,417.63
4. Step 4: Simplify right side
   21,891.38x = 2,248,431,160.64
5. Step 5: Solve for x
   x = 2,248,431,160.64/21,891.38
6. Step 6: Final answer
   x = 102,708.54