Finding the Third Proportional to 293,976 and 644,003.25

Step by Step Solution

1. Step 1: Write the proportion equation
   293,976 : 644,003.25 = 644,003.25 : x
2. Step 2: Convert to fraction form
   293,976/644,003.25 = 644,003.25/x
3. Step 3: Cross multiply
   293,976x = 644,003.25 × 644,003.25
4. Step 4: Simplify right side
   293,976x = 414,740,186,010.56
5. Step 5: Solve for x
   x = 414,740,186,010.56/293,976
6. Step 6: Final answer
   x = 1,410,796.07