Finding the Third Proportional to 3,426,138 and 4,820,481

Step by Step Solution

1. Step 1: Write the proportion equation
   3,426,138 : 4,820,481 = 4,820,481 : x
2. Step 2: Convert to fraction form
   3,426,138/4,820,481 = 4,820,481/x
3. Step 3: Cross multiply
   3,426,138x = 4,820,481 × 4,820,481
4. Step 4: Simplify right side
   3,426,138x = 23,237,037,071,361
5. Step 5: Solve for x
   x = 23,237,037,071,361/3,426,138
6. Step 6: Final answer
   x = 6,782,282.87