Finding the Third Proportional to 1,287,219 and 2,773,785

Step by Step Solution

1. Step 1: Write the proportion equation
   1,287,219 : 2,773,785 = 2,773,785 : x
2. Step 2: Convert to fraction form
   1,287,219/2,773,785 = 2,773,785/x
3. Step 3: Cross multiply
   1,287,219x = 2,773,785 × 2,773,785
4. Step 4: Simplify right side
   1,287,219x = 7,693,883,226,225
5. Step 5: Solve for x
   x = 7,693,883,226,225/1,287,219
6. Step 6: Final answer
   x = 5,977,136.16