Finding the Third Proportional to 864,672 and 1,381,322

Step by Step Solution

1. Step 1: Write the proportion equation
   864,672 : 1,381,322 = 1,381,322 : x
2. Step 2: Convert to fraction form
   864,672/1,381,322 = 1,381,322/x
3. Step 3: Cross multiply
   864,672x = 1,381,322 × 1,381,322
4. Step 4: Simplify right side
   864,672x = 1,908,050,467,684
5. Step 5: Solve for x
   x = 1,908,050,467,684/864,672
6. Step 6: Final answer
   x = 2,206,675.44