Finding the Third Proportional to 451,839.50 and 978,066

Step by Step Solution

1. Step 1: Write the proportion equation
   451,839.50 : 978,066 = 978,066 : x
2. Step 2: Convert to fraction form
   451,839.50/978,066 = 978,066/x
3. Step 3: Cross multiply
   451,839.50x = 978,066 × 978,066
4. Step 4: Simplify right side
   451,839.50x = 956,613,100,356
5. Step 5: Solve for x
   x = 956,613,100,356/451,839.50
6. Step 6: Final answer
   x = 2,117,152.44