Finding the Third Proportional to 3,893,508 and 8,386,064

Step by Step Solution

1. Step 1: Write the proportion equation
   3,893,508 : 8,386,064 = 8,386,064 : x
2. Step 2: Convert to fraction form
   3,893,508/8,386,064 = 8,386,064/x
3. Step 3: Cross multiply
   3,893,508x = 8,386,064 × 8,386,064
4. Step 4: Simplify right side
   3,893,508x = 70,326,069,412,096
5. Step 5: Solve for x
   x = 70,326,069,412,096/3,893,508
6. Step 6: Final answer
   x = 18,062,392.43