Finding the Third Proportional to 463,680 and 978,030

Step by Step Solution

1. Step 1: Write the proportion equation
   463,680 : 978,030 = 978,030 : x
2. Step 2: Convert to fraction form
   463,680/978,030 = 978,030/x
3. Step 3: Cross multiply
   463,680x = 978,030 × 978,030
4. Step 4: Simplify right side
   463,680x = 956,542,680,900
5. Step 5: Solve for x
   x = 956,542,680,900/463,680
6. Step 6: Final answer
   x = 2,062,937.11