Finding the Third Proportional to 867,742 and 1,868,834

Step by Step Solution

1. Step 1: Write the proportion equation
   867,742 : 1,868,834 = 1,868,834 : x
2. Step 2: Convert to fraction form
   867,742/1,868,834 = 1,868,834/x
3. Step 3: Cross multiply
   867,742x = 1,868,834 × 1,868,834
4. Step 4: Simplify right side
   867,742x = 3,492,540,519,556
5. Step 5: Solve for x
   x = 3,492,540,519,556/867,742
6. Step 6: Final answer
   x = 4,024,860.52