Finding the Third Proportional to 443,930.63 and 978,348.38

Step by Step Solution

1. Step 1: Write the proportion equation
   443,930.63 : 978,348.38 = 978,348.38 : x
2. Step 2: Convert to fraction form
   443,930.63/978,348.38 = 978,348.38/x
3. Step 3: Cross multiply
   443,930.63x = 978,348.38 × 978,348.38
4. Step 4: Simplify right side
   443,930.63x = 957,165,542,865.14
5. Step 5: Solve for x
   x = 957,165,542,865.14/443,930.63
6. Step 6: Final answer
   x = 2,156,115.14