Finding the Third Proportional to 5,843,664 and 8,987,112

Step by Step Solution

1. Step 1: Write the proportion equation
   5,843,664 : 8,987,112 = 8,987,112 : x
2. Step 2: Convert to fraction form
   5,843,664/8,987,112 = 8,987,112/x
3. Step 3: Cross multiply
   5,843,664x = 8,987,112 × 8,987,112
4. Step 4: Simplify right side
   5,843,664x = 80,768,182,100,544
5. Step 5: Solve for x
   x = 80,768,182,100,544/5,843,664
6. Step 6: Final answer
   x = 13,821,496.60