Finding the Third Proportional to 277,518 and 606,936.75

Step by Step Solution

1. Step 1: Write the proportion equation
   277,518 : 606,936.75 = 606,936.75 : x
2. Step 2: Convert to fraction form
   277,518/606,936.75 = 606,936.75/x
3. Step 3: Cross multiply
   277,518x = 606,936.75 × 606,936.75
4. Step 4: Simplify right side
   277,518x = 368,372,218,500.56
5. Step 5: Solve for x
   x = 368,372,218,500.56/277,518
6. Step 6: Final answer
   x = 1,327,381.35