Finding the Third Proportional to 853,460 and 1,833,478

Step by Step Solution

1. Step 1: Write the proportion equation
   853,460 : 1,833,478 = 1,833,478 : x
2. Step 2: Convert to fraction form
   853,460/1,833,478 = 1,833,478/x
3. Step 3: Cross multiply
   853,460x = 1,833,478 × 1,833,478
4. Step 4: Simplify right side
   853,460x = 3,361,641,576,484
5. Step 5: Solve for x
   x = 3,361,641,576,484/853,460
6. Step 6: Final answer
   x = 3,938,839.05