Finding the Third Proportional to 277,974 and 606,919.50

Step by Step Solution

1. Step 1: Write the proportion equation
   277,974 : 606,919.50 = 606,919.50 : x
2. Step 2: Convert to fraction form
   277,974/606,919.50 = 606,919.50/x
3. Step 3: Cross multiply
   277,974x = 606,919.50 × 606,919.50
4. Step 4: Simplify right side
   277,974x = 368,351,279,480.25
5. Step 5: Solve for x
   x = 368,351,279,480.25/277,974
6. Step 6: Final answer
   x = 1,325,128.54