Finding the Third Proportional to 276,535 and 590,978

Step by Step Solution

1. Step 1: Write the proportion equation
   276,535 : 590,978 = 590,978 : x
2. Step 2: Convert to fraction form
   276,535/590,978 = 590,978/x
3. Step 3: Cross multiply
   276,535x = 590,978 × 590,978
4. Step 4: Simplify right side
   276,535x = 349,254,996,484
5. Step 5: Solve for x
   x = 349,254,996,484/276,535
6. Step 6: Final answer
   x = 1,262,968.51