Finding the Third Proportional to 451,899 and 700,164

Step by Step Solution

1. Step 1: Write the proportion equation
   451,899 : 700,164 = 700,164 : x
2. Step 2: Convert to fraction form
   451,899/700,164 = 700,164/x
3. Step 3: Cross multiply
   451,899x = 700,164 × 700,164
4. Step 4: Simplify right side
   451,899x = 490,229,626,896
5. Step 5: Solve for x
   x = 490,229,626,896/451,899
6. Step 6: Final answer
   x = 1,084,821.23