Finding the Third Proportional to 589,848 and 1,290,086

Step by Step Solution

1. Step 1: Write the proportion equation
   589,848 : 1,290,086 = 1,290,086 : x
2. Step 2: Convert to fraction form
   589,848/1,290,086 = 1,290,086/x
3. Step 3: Cross multiply
   589,848x = 1,290,086 × 1,290,086
4. Step 4: Simplify right side
   589,848x = 1,664,321,887,396
5. Step 5: Solve for x
   x = 1,664,321,887,396/589,848
6. Step 6: Final answer
   x = 2,821,611.48