Finding the Third Proportional to 443,937 and 978,361

Step by Step Solution

1. Step 1: Write the proportion equation
   443,937 : 978,361 = 978,361 : x
2. Step 2: Convert to fraction form
   443,937/978,361 = 978,361/x
3. Step 3: Cross multiply
   443,937x = 978,361 × 978,361
4. Step 4: Simplify right side
   443,937x = 957,190,246,321
5. Step 5: Solve for x
   x = 957,190,246,321/443,937
6. Step 6: Final answer
   x = 2,156,139.83