Finding the Third Proportional to 3,856,737 and 8,470,032

Step by Step Solution

1. Step 1: Write the proportion equation
   3,856,737 : 8,470,032 = 8,470,032 : x
2. Step 2: Convert to fraction form
   3,856,737/8,470,032 = 8,470,032/x
3. Step 3: Cross multiply
   3,856,737x = 8,470,032 × 8,470,032
4. Step 4: Simplify right side
   3,856,737x = 71,741,442,081,024
5. Step 5: Solve for x
   x = 71,741,442,081,024/3,856,737
6. Step 6: Final answer
   x = 18,601,590.43