Finding the Third Proportional to 384,436 and 825,700

Step by Step Solution

1. Step 1: Write the proportion equation
   384,436 : 825,700 = 825,700 : x
2. Step 2: Convert to fraction form
   384,436/825,700 = 825,700/x
3. Step 3: Cross multiply
   384,436x = 825,700 × 825,700
4. Step 4: Simplify right side
   384,436x = 681,780,490,000
5. Step 5: Solve for x
   x = 681,780,490,000/384,436
6. Step 6: Final answer
   x = 1,773,456.41