Finding the Third Proportional to 3,855,370 and 8,467,470

Step by Step Solution

1. Step 1: Write the proportion equation
   3,855,370 : 8,467,470 = 8,467,470 : x
2. Step 2: Convert to fraction form
   3,855,370/8,467,470 = 8,467,470/x
3. Step 3: Cross multiply
   3,855,370x = 8,467,470 × 8,467,470
4. Step 4: Simplify right side
   3,855,370x = 71,698,048,200,900
5. Step 5: Solve for x
   x = 71,698,048,200,900/3,855,370
6. Step 6: Final answer
   x = 18,596,930.57