Finding the Third Proportional to 337,245 and 698,261.25

Step by Step Solution

1. Step 1: Write the proportion equation
   337,245 : 698,261.25 = 698,261.25 : x
2. Step 2: Convert to fraction form
   337,245/698,261.25 = 698,261.25/x
3. Step 3: Cross multiply
   337,245x = 698,261.25 × 698,261.25
4. Step 4: Simplify right side
   337,245x = 487,568,773,251.56
5. Step 5: Solve for x
   x = 487,568,773,251.56/337,245
6. Step 6: Final answer
   x = 1,445,740.55