Finding the Third Proportional to 451,854 and 978,102

Step by Step Solution

1. Step 1: Write the proportion equation
   451,854 : 978,102 = 978,102 : x
2. Step 2: Convert to fraction form
   451,854/978,102 = 978,102/x
3. Step 3: Cross multiply
   451,854x = 978,102 × 978,102
4. Step 4: Simplify right side
   451,854x = 956,683,522,404
5. Step 5: Solve for x
   x = 956,683,522,404/451,854
6. Step 6: Final answer
   x = 2,117,240.35