Finding the Third Proportional to 383,943 and 837,870

Step by Step Solution

1. Step 1: Write the proportion equation
   383,943 : 837,870 = 837,870 : x
2. Step 2: Convert to fraction form
   383,943/837,870 = 837,870/x
3. Step 3: Cross multiply
   383,943x = 837,870 × 837,870
4. Step 4: Simplify right side
   383,943x = 702,026,136,900
5. Step 5: Solve for x
   x = 702,026,136,900/383,943
6. Step 6: Final answer
   x = 1,828,464.48