Finding the Third Proportional to 3,475,812 and 7,269,420

Step by Step Solution

1. Step 1: Write the proportion equation
   3,475,812 : 7,269,420 = 7,269,420 : x
2. Step 2: Convert to fraction form
   3,475,812/7,269,420 = 7,269,420/x
3. Step 3: Cross multiply
   3,475,812x = 7,269,420 × 7,269,420
4. Step 4: Simplify right side
   3,475,812x = 52,844,467,136,400
5. Step 5: Solve for x
   x = 52,844,467,136,400/3,475,812
6. Step 6: Final answer
   x = 15,203,488.32