Finding the Third Proportional to 281,736 and 626,458.50

Step by Step Solution

1. Step 1: Write the proportion equation
   281,736 : 626,458.50 = 626,458.50 : x
2. Step 2: Convert to fraction form
   281,736/626,458.50 = 626,458.50/x
3. Step 3: Cross multiply
   281,736x = 626,458.50 × 626,458.50
4. Step 4: Simplify right side
   281,736x = 392,450,252,222.25
5. Step 5: Solve for x
   x = 392,450,252,222.25/281,736
6. Step 6: Final answer
   x = 1,392,971.62