Finding the Third Proportional to 3,678,737 and 8,066,065

Step by Step Solution

1. Step 1: Write the proportion equation
   3,678,737 : 8,066,065 = 8,066,065 : x
2. Step 2: Convert to fraction form
   3,678,737/8,066,065 = 8,066,065/x
3. Step 3: Cross multiply
   3,678,737x = 8,066,065 × 8,066,065
4. Step 4: Simplify right side
   3,678,737x = 65,061,404,584,225
5. Step 5: Solve for x
   x = 65,061,404,584,225/3,678,737
6. Step 6: Final answer
   x = 17,685,799.39