Finding the Third Proportional to 595,978 and 1,290,965

Step by Step Solution

1. Step 1: Write the proportion equation
   595,978 : 1,290,965 = 1,290,965 : x
2. Step 2: Convert to fraction form
   595,978/1,290,965 = 1,290,965/x
3. Step 3: Cross multiply
   595,978x = 1,290,965 × 1,290,965
4. Step 4: Simplify right side
   595,978x = 1,666,590,631,225
5. Step 5: Solve for x
   x = 1,666,590,631,225/595,978
6. Step 6: Final answer
   x = 2,796,396.23