Finding the Third Proportional to 630,974.81 and 978,874.88

Step by Step Solution

1. Step 1: Write the proportion equation
   630,974.81 : 978,874.88 = 978,874.88 : x
2. Step 2: Convert to fraction form
   630,974.81/978,874.88 = 978,874.88/x
3. Step 3: Cross multiply
   630,974.81x = 978,874.88 × 978,874.88
4. Step 4: Simplify right side
   630,974.81x = 958,196,020,906.27
5. Step 5: Solve for x
   x = 958,196,020,906.27/630,974.81
6. Step 6: Final answer
   x = 1,518,596.31