Finding the Third Proportional to 4,991,626 and 7,580,743

Step by Step Solution

1. Step 1: Write the proportion equation
   4,991,626 : 7,580,743 = 7,580,743 : x
2. Step 2: Convert to fraction form
   4,991,626/7,580,743 = 7,580,743/x
3. Step 3: Cross multiply
   4,991,626x = 7,580,743 × 7,580,743
4. Step 4: Simplify right side
   4,991,626x = 57,467,664,432,049
5. Step 5: Solve for x
   x = 57,467,664,432,049/4,991,626
6. Step 6: Final answer
   x = 11,512,814.55