Finding the Third Proportional to 384,636 and 843,080

Step by Step Solution

1. Step 1: Write the proportion equation
   384,636 : 843,080 = 843,080 : x
2. Step 2: Convert to fraction form
   384,636/843,080 = 843,080/x
3. Step 3: Cross multiply
   384,636x = 843,080 × 843,080
4. Step 4: Simplify right side
   384,636x = 710,783,886,400
5. Step 5: Solve for x
   x = 710,783,886,400/384,636
6. Step 6: Final answer
   x = 1,847,939.06