Finding the Third Proportional to 3,455,064 and 7,131,456

Step by Step Solution

1. Step 1: Write the proportion equation
   3,455,064 : 7,131,456 = 7,131,456 : x
2. Step 2: Convert to fraction form
   3,455,064/7,131,456 = 7,131,456/x
3. Step 3: Cross multiply
   3,455,064x = 7,131,456 × 7,131,456
4. Step 4: Simplify right side
   3,455,064x = 50,857,664,679,936
5. Step 5: Solve for x
   x = 50,857,664,679,936/3,455,064
6. Step 6: Final answer
   x = 14,719,746.05