Finding the Third Proportional to 384,930 and 839,736

Step by Step Solution

1. Step 1: Write the proportion equation
   384,930 : 839,736 = 839,736 : x
2. Step 2: Convert to fraction form
   384,930/839,736 = 839,736/x
3. Step 3: Cross multiply
   384,930x = 839,736 × 839,736
4. Step 4: Simplify right side
   384,930x = 705,156,549,696
5. Step 5: Solve for x
   x = 705,156,549,696/384,930
6. Step 6: Final answer
   x = 1,831,908.53