Finding the Third Proportional to 300,974 and 626,859.50

Step by Step Solution

1. Step 1: Write the proportion equation
   300,974 : 626,859.50 = 626,859.50 : x
2. Step 2: Convert to fraction form
   300,974/626,859.50 = 626,859.50/x
3. Step 3: Cross multiply
   300,974x = 626,859.50 × 626,859.50
4. Step 4: Simplify right side
   300,974x = 392,952,832,740.25
5. Step 5: Solve for x
   x = 392,952,832,740.25/300,974
6. Step 6: Final answer
   x = 1,305,603.92