Finding the Third Proportional to 373,846 and 820,070

Step by Step Solution

1. Step 1: Write the proportion equation
   373,846 : 820,070 = 820,070 : x
2. Step 2: Convert to fraction form
   373,846/820,070 = 820,070/x
3. Step 3: Cross multiply
   373,846x = 820,070 × 820,070
4. Step 4: Simplify right side
   373,846x = 672,514,804,900
5. Step 5: Solve for x
   x = 672,514,804,900/373,846
6. Step 6: Final answer
   x = 1,798,908.65