Finding the Third Proportional to 451,843.50 and 978,072.50

Step by Step Solution

1. Step 1: Write the proportion equation
   451,843.50 : 978,072.50 = 978,072.50 : x
2. Step 2: Convert to fraction form
   451,843.50/978,072.50 = 978,072.50/x
3. Step 3: Cross multiply
   451,843.50x = 978,072.50 × 978,072.50
4. Step 4: Simplify right side
   451,843.50x = 956,625,815,256.25
5. Step 5: Solve for x
   x = 956,625,815,256.25/451,843.50
6. Step 6: Final answer
   x = 2,117,161.84