Finding the Third Proportional to 276,576 and 601,731.75

Step by Step Solution

1. Step 1: Write the proportion equation
   276,576 : 601,731.75 = 601,731.75 : x
2. Step 2: Convert to fraction form
   276,576/601,731.75 = 601,731.75/x
3. Step 3: Cross multiply
   276,576x = 601,731.75 × 601,731.75
4. Step 4: Simplify right side
   276,576x = 362,081,098,958.06
5. Step 5: Solve for x
   x = 362,081,098,958.06/276,576
6. Step 6: Final answer
   x = 1,309,155.89