Finding the Third Proportional to 3,806,284 and 8,369,620

Step by Step Solution

1. Step 1: Write the proportion equation
   3,806,284 : 8,369,620 = 8,369,620 : x
2. Step 2: Convert to fraction form
   3,806,284/8,369,620 = 8,369,620/x
3. Step 3: Cross multiply
   3,806,284x = 8,369,620 × 8,369,620
4. Step 4: Simplify right side
   3,806,284x = 70,050,538,944,400
5. Step 5: Solve for x
   x = 70,050,538,944,400/3,806,284
6. Step 6: Final answer
   x = 18,403,918.09