Finding the Third Proportional to 5,451,772 and 8,440,541

Step by Step Solution

1. Step 1: Write the proportion equation
   5,451,772 : 8,440,541 = 8,440,541 : x
2. Step 2: Convert to fraction form
   5,451,772/8,440,541 = 8,440,541/x
3. Step 3: Cross multiply
   5,451,772x = 8,440,541 × 8,440,541
4. Step 4: Simplify right side
   5,451,772x = 71,242,732,372,681
5. Step 5: Solve for x
   x = 71,242,732,372,681/5,451,772
6. Step 6: Final answer
   x = 13,067,812.15