Finding the Third Proportional to 276,066 and 591,499.50

Step by Step Solution

1. Step 1: Write the proportion equation
   276,066 : 591,499.50 = 591,499.50 : x
2. Step 2: Convert to fraction form
   276,066/591,499.50 = 591,499.50/x
3. Step 3: Cross multiply
   276,066x = 591,499.50 × 591,499.50
4. Step 4: Simplify right side
   276,066x = 349,871,658,500.25
5. Step 5: Solve for x
   x = 349,871,658,500.25/276,066
6. Step 6: Final answer
   x = 1,267,347.88