Finding the Third Proportional to 597,808 and 1,290,054

Step by Step Solution

1. Step 1: Write the proportion equation
   597,808 : 1,290,054 = 1,290,054 : x
2. Step 2: Convert to fraction form
   597,808/1,290,054 = 1,290,054/x
3. Step 3: Cross multiply
   597,808x = 1,290,054 × 1,290,054
4. Step 4: Simplify right side
   597,808x = 1,664,239,322,916
5. Step 5: Solve for x
   x = 1,664,239,322,916/597,808
6. Step 6: Final answer
   x = 2,783,902.73