Finding the Third Proportional to 373,259.81 and 816,375.38

Step by Step Solution

1. Step 1: Write the proportion equation
   373,259.81 : 816,375.38 = 816,375.38 : x
2. Step 2: Convert to fraction form
   373,259.81/816,375.38 = 816,375.38/x
3. Step 3: Cross multiply
   373,259.81x = 816,375.38 × 816,375.38
4. Step 4: Simplify right side
   373,259.81x = 666,468,752,906.39
5. Step 5: Solve for x
   x = 666,468,752,906.39/373,259.81
6. Step 6: Final answer
   x = 1,785,535.79