Finding the Third Proportional to 3,806,316 and 8,369,676

Step by Step Solution

1. Step 1: Write the proportion equation
   3,806,316 : 8,369,676 = 8,369,676 : x
2. Step 2: Convert to fraction form
   3,806,316/8,369,676 = 8,369,676/x
3. Step 3: Cross multiply
   3,806,316x = 8,369,676 × 8,369,676
4. Step 4: Simplify right side
   3,806,316x = 70,051,476,344,976
5. Step 5: Solve for x
   x = 70,051,476,344,976/3,806,316
6. Step 6: Final answer
   x = 18,404,009.64