Finding the Third Proportional to 300,973 and 626,857.50

Step by Step Solution

1. Step 1: Write the proportion equation
   300,973 : 626,857.50 = 626,857.50 : x
2. Step 2: Convert to fraction form
   300,973/626,857.50 = 626,857.50/x
3. Step 3: Cross multiply
   300,973x = 626,857.50 × 626,857.50
4. Step 4: Simplify right side
   300,973x = 392,950,325,306.25
5. Step 5: Solve for x
   x = 392,950,325,306.25/300,973
6. Step 6: Final answer
   x = 1,305,599.92