Finding the Third Proportional to 9,783.63 and 21,162.50

Step by Step Solution

1. Step 1: Write the proportion equation
   9,783.63 : 21,162.50 = 21,162.50 : x
2. Step 2: Convert to fraction form
   9,783.63/21,162.50 = 21,162.50/x
3. Step 3: Cross multiply
   9,783.63x = 21,162.50 × 21,162.50
4. Step 4: Simplify right side
   9,783.63x = 447,851,406.25
5. Step 5: Solve for x
   x = 447,851,406.25/9,783.63
6. Step 6: Final answer
   x = 45,775.61