Finding the Third Proportional to 21,310.59 and 31,966.31

Step by Step Solution

1. Step 1: Write the proportion equation
   21,310.59 : 31,966.31 = 31,966.31 : x
2. Step 2: Convert to fraction form
   21,310.59/31,966.31 = 31,966.31/x
3. Step 3: Cross multiply
   21,310.59x = 31,966.31 × 31,966.31
4. Step 4: Simplify right side
   21,310.59x = 1,021,845,134.85
5. Step 5: Solve for x
   x = 1,021,845,134.85/21,310.59
6. Step 6: Final answer
   x = 47,950.10