Finding the Third Proportional to 5,039,507 and 7,782,048

Step by Step Solution

1. Step 1: Write the proportion equation
   5,039,507 : 7,782,048 = 7,782,048 : x
2. Step 2: Convert to fraction form
   5,039,507/7,782,048 = 7,782,048/x
3. Step 3: Cross multiply
   5,039,507x = 7,782,048 × 7,782,048
4. Step 4: Simplify right side
   5,039,507x = 60,560,271,074,304
5. Step 5: Solve for x
   x = 60,560,271,074,304/5,039,507
6. Step 6: Final answer
   x = 12,017,102.28