Finding the Third Proportional to 454,401 and 705,586.50

Step by Step Solution

1. Step 1: Write the proportion equation
   454,401 : 705,586.50 = 705,586.50 : x
2. Step 2: Convert to fraction form
   454,401/705,586.50 = 705,586.50/x
3. Step 3: Cross multiply
   454,401x = 705,586.50 × 705,586.50
4. Step 4: Simplify right side
   454,401x = 497,852,308,982.25
5. Step 5: Solve for x
   x = 497,852,308,982.25/454,401
6. Step 6: Final answer
   x = 1,095,623.27