Finding the Third Proportional to 708,782 and 1,515,916

Step by Step Solution

1. Step 1: Write the proportion equation
   708,782 : 1,515,916 = 1,515,916 : x
2. Step 2: Convert to fraction form
   708,782/1,515,916 = 1,515,916/x
3. Step 3: Cross multiply
   708,782x = 1,515,916 × 1,515,916
4. Step 4: Simplify right side
   708,782x = 2,298,001,319,056
5. Step 5: Solve for x
   x = 2,298,001,319,056/708,782
6. Step 6: Final answer
   x = 3,242,183.52