Finding the Third Proportional to 442,268 and 662,706.50

Step by Step Solution

1. Step 1: Write the proportion equation
   442,268 : 662,706.50 = 662,706.50 : x
2. Step 2: Convert to fraction form
   442,268/662,706.50 = 662,706.50/x
3. Step 3: Cross multiply
   442,268x = 662,706.50 × 662,706.50
4. Step 4: Simplify right side
   442,268x = 439,179,905,142.25
5. Step 5: Solve for x
   x = 439,179,905,142.25/442,268
6. Step 6: Final answer
   x = 993,017.59