Finding the Third Proportional to 630,939.38 and 978,816.94

Step by Step Solution

1. Step 1: Write the proportion equation
   630,939.38 : 978,816.94 = 978,816.94 : x
2. Step 2: Convert to fraction form
   630,939.38/978,816.94 = 978,816.94/x
3. Step 3: Cross multiply
   630,939.38x = 978,816.94 × 978,816.94
4. Step 4: Simplify right side
   630,939.38x = 958,082,597,136.88
5. Step 5: Solve for x
   x = 958,082,597,136.88/630,939.38
6. Step 6: Final answer
   x = 1,518,501.83