Finding the Third Proportional to 837,900 and 1,808,640

Step by Step Solution

1. Step 1: Write the proportion equation
   837,900 : 1,808,640 = 1,808,640 : x
2. Step 2: Convert to fraction form
   837,900/1,808,640 = 1,808,640/x
3. Step 3: Cross multiply
   837,900x = 1,808,640 × 1,808,640
4. Step 4: Simplify right side
   837,900x = 3,271,178,649,600
5. Step 5: Solve for x
   x = 3,271,178,649,600/837,900
6. Step 6: Final answer
   x = 3,904,020.35