Finding the Third Proportional to 1,449,100 and 3,178,136

Step by Step Solution

1. Step 1: Write the proportion equation
   1,449,100 : 3,178,136 = 3,178,136 : x
2. Step 2: Convert to fraction form
   1,449,100/3,178,136 = 3,178,136/x
3. Step 3: Cross multiply
   1,449,100x = 3,178,136 × 3,178,136
4. Step 4: Simplify right side
   1,449,100x = 10,100,548,434,496
5. Step 5: Solve for x
   x = 10,100,548,434,496/1,449,100
6. Step 6: Final answer
   x = 6,970,221.82