Finding the Third Proportional to 978,017.63 and 2,118,825

Step by Step Solution

1. Step 1: Write the proportion equation
   978,017.63 : 2,118,825 = 2,118,825 : x
2. Step 2: Convert to fraction form
   978,017.63/2,118,825 = 2,118,825/x
3. Step 3: Cross multiply
   978,017.63x = 2,118,825 × 2,118,825
4. Step 4: Simplify right side
   978,017.63x = 4,489,419,380,625
5. Step 5: Solve for x
   x = 4,489,419,380,625/978,017.63
6. Step 6: Final answer
   x = 4,590,325.64