Finding the Third Proportional to 589,850 and 1,290,088

Step by Step Solution

1. Step 1: Write the proportion equation
   589,850 : 1,290,088 = 1,290,088 : x
2. Step 2: Convert to fraction form
   589,850/1,290,088 = 1,290,088/x
3. Step 3: Cross multiply
   589,850x = 1,290,088 × 1,290,088
4. Step 4: Simplify right side
   589,850x = 1,664,327,047,744
5. Step 5: Solve for x
   x = 1,664,327,047,744/589,850
6. Step 6: Final answer
   x = 2,821,610.66