Finding the Third Proportional to 1,584,296 and 3,421,136

Step by Step Solution

1. Step 1: Write the proportion equation
   1,584,296 : 3,421,136 = 3,421,136 : x
2. Step 2: Convert to fraction form
   1,584,296/3,421,136 = 3,421,136/x
3. Step 3: Cross multiply
   1,584,296x = 3,421,136 × 3,421,136
4. Step 4: Simplify right side
   1,584,296x = 11,704,171,530,496
5. Step 5: Solve for x
   x = 11,704,171,530,496/1,584,296
6. Step 6: Final answer
   x = 7,387,616.66