Finding the Third Proportional to 1,827,436 and 2,678,817

Step by Step Solution

1. Step 1: Write the proportion equation
   1,827,436 : 2,678,817 = 2,678,817 : x
2. Step 2: Convert to fraction form
   1,827,436/2,678,817 = 2,678,817/x
3. Step 3: Cross multiply
   1,827,436x = 2,678,817 × 2,678,817
4. Step 4: Simplify right side
   1,827,436x = 7,176,060,519,489
5. Step 5: Solve for x
   x = 7,176,060,519,489/1,827,436
6. Step 6: Final answer
   x = 3,926,846.42