Finding the Third Proportional to 384,770 and 843,340

Step by Step Solution

1. Step 1: Write the proportion equation
   384,770 : 843,340 = 843,340 : x
2. Step 2: Convert to fraction form
   384,770/843,340 = 843,340/x
3. Step 3: Cross multiply
   384,770x = 843,340 × 843,340
4. Step 4: Simplify right side
   384,770x = 711,222,355,600
5. Step 5: Solve for x
   x = 711,222,355,600/384,770
6. Step 6: Final answer
   x = 1,848,435.05