Finding the Third Proportional to 1,304,136 and 2,765,280

Step by Step Solution

1. Step 1: Write the proportion equation
   1,304,136 : 2,765,280 = 2,765,280 : x
2. Step 2: Convert to fraction form
   1,304,136/2,765,280 = 2,765,280/x
3. Step 3: Cross multiply
   1,304,136x = 2,765,280 × 2,765,280
4. Step 4: Simplify right side
   1,304,136x = 7,646,773,478,400
5. Step 5: Solve for x
   x = 7,646,773,478,400/1,304,136
6. Step 6: Final answer
   x = 5,863,478.56