Finding the Third Proportional to 1,327,978 and 2,881,136

Step by Step Solution

1. Step 1: Write the proportion equation
   1,327,978 : 2,881,136 = 2,881,136 : x
2. Step 2: Convert to fraction form
   1,327,978/2,881,136 = 2,881,136/x
3. Step 3: Cross multiply
   1,327,978x = 2,881,136 × 2,881,136
4. Step 4: Simplify right side
   1,327,978x = 8,300,944,650,496
5. Step 5: Solve for x
   x = 8,300,944,650,496/1,327,978
6. Step 6: Final answer
   x = 6,250,814.89