Finding the Third Proportional to 21,134.25 and 31,634.25

Step by Step Solution

1. Step 1: Write the proportion equation
   21,134.25 : 31,634.25 = 31,634.25 : x
2. Step 2: Convert to fraction form
   21,134.25/31,634.25 = 31,634.25/x
3. Step 3: Cross multiply
   21,134.25x = 31,634.25 × 31,634.25
4. Step 4: Simplify right side
   21,134.25x = 1,000,725,773.06
5. Step 5: Solve for x
   x = 1,000,725,773.06/21,134.25
6. Step 6: Final answer
   x = 47,350.90