Finding the Third Proportional to 3,907,661 and 5,902,323

Step by Step Solution

1. Step 1: Write the proportion equation
   3,907,661 : 5,902,323 = 5,902,323 : x
2. Step 2: Convert to fraction form
   3,907,661/5,902,323 = 5,902,323/x
3. Step 3: Cross multiply
   3,907,661x = 5,902,323 × 5,902,323
4. Step 4: Simplify right side
   3,907,661x = 34,837,416,796,329
5. Step 5: Solve for x
   x = 34,837,416,796,329/3,907,661
6. Step 6: Final answer
   x = 8,915,158.40