Finding the Third Proportional to 9,702.28 and 20,788.31

Step by Step Solution

1. Step 1: Write the proportion equation
   9,702.28 : 20,788.31 = 20,788.31 : x
2. Step 2: Convert to fraction form
   9,702.28/20,788.31 = 20,788.31/x
3. Step 3: Cross multiply
   9,702.28x = 20,788.31 × 20,788.31
4. Step 4: Simplify right side
   9,702.28x = 432,153,936.60
5. Step 5: Solve for x
   x = 432,153,936.60/9,702.28
6. Step 6: Final answer
   x = 44,541.48