Finding the Third Proportional to 864,294 and 1,367,478

Step by Step Solution

1. Step 1: Write the proportion equation
   864,294 : 1,367,478 = 1,367,478 : x
2. Step 2: Convert to fraction form
   864,294/1,367,478 = 1,367,478/x
3. Step 3: Cross multiply
   864,294x = 1,367,478 × 1,367,478
4. Step 4: Simplify right side
   864,294x = 1,869,996,080,484
5. Step 5: Solve for x
   x = 1,869,996,080,484/864,294
6. Step 6: Final answer
   x = 2,163,611.09