Finding the Third Proportional to 864,189 and 1,244,808

Step by Step Solution

1. Step 1: Write the proportion equation
   864,189 : 1,244,808 = 1,244,808 : x
2. Step 2: Convert to fraction form
   864,189/1,244,808 = 1,244,808/x
3. Step 3: Cross multiply
   864,189x = 1,244,808 × 1,244,808
4. Step 4: Simplify right side
   864,189x = 1,549,546,956,864
5. Step 5: Solve for x
   x = 1,549,546,956,864/864,189
6. Step 6: Final answer
   x = 1,793,064.89