Finding the Third Proportional to 4,046,968 and 8,670,854

Step by Step Solution

1. Step 1: Write the proportion equation
   4,046,968 : 8,670,854 = 8,670,854 : x
2. Step 2: Convert to fraction form
   4,046,968/8,670,854 = 8,670,854/x
3. Step 3: Cross multiply
   4,046,968x = 8,670,854 × 8,670,854
4. Step 4: Simplify right side
   4,046,968x = 75,183,709,089,316
5. Step 5: Solve for x
   x = 75,183,709,089,316/4,046,968
6. Step 6: Final answer
   x = 18,577,786.90