Finding the Third Proportional to 385,696 and 839,936

Step by Step Solution

1. Step 1: Write the proportion equation
   385,696 : 839,936 = 839,936 : x
2. Step 2: Convert to fraction form
   385,696/839,936 = 839,936/x
3. Step 3: Cross multiply
   385,696x = 839,936 × 839,936
4. Step 4: Simplify right side
   385,696x = 705,492,484,096
5. Step 5: Solve for x
   x = 705,492,484,096/385,696
6. Step 6: Final answer
   x = 1,829,141.30