Finding the Third Proportional to 1,424,070 and 2,136,390

Step by Step Solution

1. Step 1: Write the proportion equation
   1,424,070 : 2,136,390 = 2,136,390 : x
2. Step 2: Convert to fraction form
   1,424,070/2,136,390 = 2,136,390/x
3. Step 3: Cross multiply
   1,424,070x = 2,136,390 × 2,136,390
4. Step 4: Simplify right side
   1,424,070x = 4,564,162,232,100
5. Step 5: Solve for x
   x = 4,564,162,232,100/1,424,070
6. Step 6: Final answer
   x = 3,205,012.56