Finding the Third Proportional to 584,060.50 and 853,917

Step by Step Solution

1. Step 1: Write the proportion equation
   584,060.50 : 853,917 = 853,917 : x
2. Step 2: Convert to fraction form
   584,060.50/853,917 = 853,917/x
3. Step 3: Cross multiply
   584,060.50x = 853,917 × 853,917
4. Step 4: Simplify right side
   584,060.50x = 729,174,242,889
5. Step 5: Solve for x
   x = 729,174,242,889/584,060.50
6. Step 6: Final answer
   x = 1,248,456.70