Finding the Third Proportional to 1,282,772 and 2,788,817

Step by Step Solution

1. Step 1: Write the proportion equation
   1,282,772 : 2,788,817 = 2,788,817 : x
2. Step 2: Convert to fraction form
   1,282,772/2,788,817 = 2,788,817/x
3. Step 3: Cross multiply
   1,282,772x = 2,788,817 × 2,788,817
4. Step 4: Simplify right side
   1,282,772x = 7,777,500,259,489
5. Step 5: Solve for x
   x = 7,777,500,259,489/1,282,772
6. Step 6: Final answer
   x = 6,063,041.80