Finding the Third Proportional to 1,871,894 and 4,042,678

Step by Step Solution

1. Step 1: Write the proportion equation
   1,871,894 : 4,042,678 = 4,042,678 : x
2. Step 2: Convert to fraction form
   1,871,894/4,042,678 = 4,042,678/x
3. Step 3: Cross multiply
   1,871,894x = 4,042,678 × 4,042,678
4. Step 4: Simplify right side
   1,871,894x = 16,343,245,411,684
5. Step 5: Solve for x
   x = 16,343,245,411,684/1,871,894
6. Step 6: Final answer
   x = 8,730,860.51