Finding the Third Proportional to 864,210 and 1,244,926

Step by Step Solution

1. Step 1: Write the proportion equation
   864,210 : 1,244,926 = 1,244,926 : x
2. Step 2: Convert to fraction form
   864,210/1,244,926 = 1,244,926/x
3. Step 3: Cross multiply
   864,210x = 1,244,926 × 1,244,926
4. Step 4: Simplify right side
   864,210x = 1,549,840,745,476
5. Step 5: Solve for x
   x = 1,549,840,745,476/864,210
6. Step 6: Final answer
   x = 1,793,361.27