Finding the Third Proportional to 9,762.75 and 21,292.31

Step by Step Solution

1. Step 1: Write the proportion equation
   9,762.75 : 21,292.31 = 21,292.31 : x
2. Step 2: Convert to fraction form
   9,762.75/21,292.31 = 21,292.31/x
3. Step 3: Cross multiply
   9,762.75x = 21,292.31 × 21,292.31
4. Step 4: Simplify right side
   9,762.75x = 453,362,571.60
5. Step 5: Solve for x
   x = 453,362,571.60/9,762.75
6. Step 6: Final answer
   x = 46,438.00