Finding the Third Proportional to 1,518,878 and 2,136,202

Step by Step Solution

1. Step 1: Write the proportion equation
   1,518,878 : 2,136,202 = 2,136,202 : x
2. Step 2: Convert to fraction form
   1,518,878/2,136,202 = 2,136,202/x
3. Step 3: Cross multiply
   1,518,878x = 2,136,202 × 2,136,202
4. Step 4: Simplify right side
   1,518,878x = 4,563,358,984,804
5. Step 5: Solve for x
   x = 4,563,358,984,804/1,518,878
6. Step 6: Final answer
   x = 3,004,427.60