Finding the Third Proportional to 1,424,070 and 2,136,388

Step by Step Solution

1. Step 1: Write the proportion equation
   1,424,070 : 2,136,388 = 2,136,388 : x
2. Step 2: Convert to fraction form
   1,424,070/2,136,388 = 2,136,388/x
3. Step 3: Cross multiply
   1,424,070x = 2,136,388 × 2,136,388
4. Step 4: Simplify right side
   1,424,070x = 4,564,153,686,544
5. Step 5: Solve for x
   x = 4,564,153,686,544/1,424,070
6. Step 6: Final answer
   x = 3,205,006.56