Finding the Third Proportional to 3,669,243 and 7,782,448

Step by Step Solution

1. Step 1: Write the proportion equation
   3,669,243 : 7,782,448 = 7,782,448 : x
2. Step 2: Convert to fraction form
   3,669,243/7,782,448 = 7,782,448/x
3. Step 3: Cross multiply
   3,669,243x = 7,782,448 × 7,782,448
4. Step 4: Simplify right side
   3,669,243x = 60,566,496,872,704
5. Step 5: Solve for x
   x = 60,566,496,872,704/3,669,243
6. Step 6: Final answer
   x = 16,506,537.42