Finding the Third Proportional to 454,257 and 705,372.75

Step by Step Solution

1. Step 1: Write the proportion equation
   454,257 : 705,372.75 = 705,372.75 : x
2. Step 2: Convert to fraction form
   454,257/705,372.75 = 705,372.75/x
3. Step 3: Cross multiply
   454,257x = 705,372.75 × 705,372.75
4. Step 4: Simplify right side
   454,257x = 497,550,716,442.56
5. Step 5: Solve for x
   x = 497,550,716,442.56/454,257
6. Step 6: Final answer
   x = 1,095,306.66