Finding the Third Proportional to 867,822 and 1,868,856

Step by Step Solution

1. Step 1: Write the proportion equation
   867,822 : 1,868,856 = 1,868,856 : x
2. Step 2: Convert to fraction form
   867,822/1,868,856 = 1,868,856/x
3. Step 3: Cross multiply
   867,822x = 1,868,856 × 1,868,856
4. Step 4: Simplify right side
   867,822x = 3,492,622,748,736
5. Step 5: Solve for x
   x = 3,492,622,748,736/867,822
6. Step 6: Final answer
   x = 4,024,584.25