Finding the Third Proportional to 3,405,522 and 7,273,716

Step by Step Solution

1. Step 1: Write the proportion equation
   3,405,522 : 7,273,716 = 7,273,716 : x
2. Step 2: Convert to fraction form
   3,405,522/7,273,716 = 7,273,716/x
3. Step 3: Cross multiply
   3,405,522x = 7,273,716 × 7,273,716
4. Step 4: Simplify right side
   3,405,522x = 52,906,944,448,656
5. Step 5: Solve for x
   x = 52,906,944,448,656/3,405,522
6. Step 6: Final answer
   x = 15,535,634.32