Finding the Third Proportional to 597,814 and 1,290,066

Step by Step Solution

1. Step 1: Write the proportion equation
   597,814 : 1,290,066 = 1,290,066 : x
2. Step 2: Convert to fraction form
   597,814/1,290,066 = 1,290,066/x
3. Step 3: Cross multiply
   597,814x = 1,290,066 × 1,290,066
4. Step 4: Simplify right side
   597,814x = 1,664,270,284,356
5. Step 5: Solve for x
   x = 1,664,270,284,356/597,814
6. Step 6: Final answer
   x = 2,783,926.58