Finding the Third Proportional to 5,740,920 and 8,889,216

Step by Step Solution

1. Step 1: Write the proportion equation
   5,740,920 : 8,889,216 = 8,889,216 : x
2. Step 2: Convert to fraction form
   5,740,920/8,889,216 = 8,889,216/x
3. Step 3: Cross multiply
   5,740,920x = 8,889,216 × 8,889,216
4. Step 4: Simplify right side
   5,740,920x = 79,018,161,094,656
5. Step 5: Solve for x
   x = 79,018,161,094,656/5,740,920
6. Step 6: Final answer
   x = 13,764,024.08