Finding the Third Proportional to 843,342 and 1,815,636

Step by Step Solution

1. Step 1: Write the proportion equation
   843,342 : 1,815,636 = 1,815,636 : x
2. Step 2: Convert to fraction form
   843,342/1,815,636 = 1,815,636/x
3. Step 3: Cross multiply
   843,342x = 1,815,636 × 1,815,636
4. Step 4: Simplify right side
   843,342x = 3,296,534,084,496
5. Step 5: Solve for x
   x = 3,296,534,084,496/843,342
6. Step 6: Final answer
   x = 3,908,893.53