Finding the Third Proportional to 3,606,431 and 7,615,271

Step by Step Solution

1. Step 1: Write the proportion equation
   3,606,431 : 7,615,271 = 7,615,271 : x
2. Step 2: Convert to fraction form
   3,606,431/7,615,271 = 7,615,271/x
3. Step 3: Cross multiply
   3,606,431x = 7,615,271 × 7,615,271
4. Step 4: Simplify right side
   3,606,431x = 57,992,352,403,441
5. Step 5: Solve for x
   x = 57,992,352,403,441/3,606,431
6. Step 6: Final answer
   x = 16,080,261.18