Finding the Third Proportional to 451,843.88 and 978,075

Step by Step Solution

1. Step 1: Write the proportion equation
   451,843.88 : 978,075 = 978,075 : x
2. Step 2: Convert to fraction form
   451,843.88/978,075 = 978,075/x
3. Step 3: Cross multiply
   451,843.88x = 978,075 × 978,075
4. Step 4: Simplify right side
   451,843.88x = 956,630,705,625
5. Step 5: Solve for x
   x = 956,630,705,625/451,843.88
6. Step 6: Final answer
   x = 2,117,170.90