Finding the Third Proportional to 373,838 and 820,054

Step by Step Solution

1. Step 1: Write the proportion equation
   373,838 : 820,054 = 820,054 : x
2. Step 2: Convert to fraction form
   373,838/820,054 = 820,054/x
3. Step 3: Cross multiply
   373,838x = 820,054 × 820,054
4. Step 4: Simplify right side
   373,838x = 672,488,562,916
5. Step 5: Solve for x
   x = 672,488,562,916/373,838
6. Step 6: Final answer
   x = 1,798,876.95