Finding the Third Proportional to 602,038 and 820,003

Step by Step Solution

1. Step 1: Write the proportion equation
   602,038 : 820,003 = 820,003 : x
2. Step 2: Convert to fraction form
   602,038/820,003 = 820,003/x
3. Step 3: Cross multiply
   602,038x = 820,003 × 820,003
4. Step 4: Simplify right side
   602,038x = 672,404,920,009
5. Step 5: Solve for x
   x = 672,404,920,009/602,038
6. Step 6: Final answer
   x = 1,116,881.19