Finding the Third Proportional to 386,346.38 and 846,504

Step by Step Solution

1. Step 1: Write the proportion equation
   386,346.38 : 846,504 = 846,504 : x
2. Step 2: Convert to fraction form
   386,346.38/846,504 = 846,504/x
3. Step 3: Cross multiply
   386,346.38x = 846,504 × 846,504
4. Step 4: Simplify right side
   386,346.38x = 716,569,022,016
5. Step 5: Solve for x
   x = 716,569,022,016/386,346.38
6. Step 6: Final answer
   x = 1,854,732.10