Finding the Third Proportional to 5,452,242 and 8,553,678

Step by Step Solution

1. Step 1: Write the proportion equation
   5,452,242 : 8,553,678 = 8,553,678 : x
2. Step 2: Convert to fraction form
   5,452,242/8,553,678 = 8,553,678/x
3. Step 3: Cross multiply
   5,452,242x = 8,553,678 × 8,553,678
4. Step 4: Simplify right side
   5,452,242x = 73,165,407,327,684
5. Step 5: Solve for x
   x = 73,165,407,327,684/5,452,242
6. Step 6: Final answer
   x = 13,419,324.99