Finding the Third Proportional to 400,682 and 846,076

Step by Step Solution

1. Step 1: Write the proportion equation
   400,682 : 846,076 = 846,076 : x
2. Step 2: Convert to fraction form
   400,682/846,076 = 846,076/x
3. Step 3: Cross multiply
   400,682x = 846,076 × 846,076
4. Step 4: Simplify right side
   400,682x = 715,844,597,776
5. Step 5: Solve for x
   x = 715,844,597,776/400,682
6. Step 6: Final answer
   x = 1,786,565.40