Finding the Third Proportional to 1,940.63 and 4,222.13

Step by Step Solution

1. Step 1: Write the proportion equation
   1,940.63 : 4,222.13 = 4,222.13 : x
2. Step 2: Convert to fraction form
   1,940.63/4,222.13 = 4,222.13/x
3. Step 3: Cross multiply
   1,940.63x = 4,222.13 × 4,222.13
4. Step 4: Simplify right side
   1,940.63x = 17,826,339.52
5. Step 5: Solve for x
   x = 17,826,339.52/1,940.63
6. Step 6: Final answer
   x = 9,185.88