Finding the Third Proportional to 3,345,465 and 7,122,498

Step by Step Solution

1. Step 1: Write the proportion equation
   3,345,465 : 7,122,498 = 7,122,498 : x
2. Step 2: Convert to fraction form
   3,345,465/7,122,498 = 7,122,498/x
3. Step 3: Cross multiply
   3,345,465x = 7,122,498 × 7,122,498
4. Step 4: Simplify right side
   3,345,465x = 50,729,977,760,004
5. Step 5: Solve for x
   x = 50,729,977,760,004/3,345,465
6. Step 6: Final answer
   x = 15,163,804.66