Finding the Third Proportional to 3,611,661 and 7,522,260

Step by Step Solution

1. Step 1: Write the proportion equation
   3,611,661 : 7,522,260 = 7,522,260 : x
2. Step 2: Convert to fraction form
   3,611,661/7,522,260 = 7,522,260/x
3. Step 3: Cross multiply
   3,611,661x = 7,522,260 × 7,522,260
4. Step 4: Simplify right side
   3,611,661x = 56,584,395,507,600
5. Step 5: Solve for x
   x = 56,584,395,507,600/3,611,661
6. Step 6: Final answer
   x = 15,667,139.17