Finding the Third Proportional to 3,355,124 and 7,180,448

Step by Step Solution

1. Step 1: Write the proportion equation
   3,355,124 : 7,180,448 = 7,180,448 : x
2. Step 2: Convert to fraction form
   3,355,124/7,180,448 = 7,180,448/x
3. Step 3: Cross multiply
   3,355,124x = 7,180,448 × 7,180,448
4. Step 4: Simplify right side
   3,355,124x = 51,558,833,480,704
5. Step 5: Solve for x
   x = 51,558,833,480,704/3,355,124
6. Step 6: Final answer
   x = 15,367,191.64