Finding the Third Proportional to 9,967.50 and 21,300.75

Step by Step Solution

1. Step 1: Write the proportion equation
   9,967.50 : 21,300.75 = 21,300.75 : x
2. Step 2: Convert to fraction form
   9,967.50/21,300.75 = 21,300.75/x
3. Step 3: Cross multiply
   9,967.50x = 21,300.75 × 21,300.75
4. Step 4: Simplify right side
   9,967.50x = 453,721,950.56
5. Step 5: Solve for x
   x = 453,721,950.56/9,967.50
6. Step 6: Final answer
   x = 45,520.14