Finding the Third Proportional to 3,685,309 and 7,974,266

Step by Step Solution

1. Step 1: Write the proportion equation
   3,685,309 : 7,974,266 = 7,974,266 : x
2. Step 2: Convert to fraction form
   3,685,309/7,974,266 = 7,974,266/x
3. Step 3: Cross multiply
   3,685,309x = 7,974,266 × 7,974,266
4. Step 4: Simplify right side
   3,685,309x = 63,588,918,238,756
5. Step 5: Solve for x
   x = 63,588,918,238,756/3,685,309
6. Step 6: Final answer
   x = 17,254,704.62