Finding the Third Proportional to 450,282 and 684,706.50

Step by Step Solution

1. Step 1: Write the proportion equation
   450,282 : 684,706.50 = 684,706.50 : x
2. Step 2: Convert to fraction form
   450,282/684,706.50 = 684,706.50/x
3. Step 3: Cross multiply
   450,282x = 684,706.50 × 684,706.50
4. Step 4: Simplify right side
   450,282x = 468,822,991,142.25
5. Step 5: Solve for x
   x = 468,822,991,142.25/450,282
6. Step 6: Final answer
   x = 1,041,176.40