Finding the Third Proportional to 1,478,136 and 3,183,987

Step by Step Solution

1. Step 1: Write the proportion equation
   1,478,136 : 3,183,987 = 3,183,987 : x
2. Step 2: Convert to fraction form
   1,478,136/3,183,987 = 3,183,987/x
3. Step 3: Cross multiply
   1,478,136x = 3,183,987 × 3,183,987
4. Step 4: Simplify right side
   1,478,136x = 10,137,773,216,169
5. Step 5: Solve for x
   x = 10,137,773,216,169/1,478,136
6. Step 6: Final answer
   x = 6,858,484.75