Finding the Third Proportional to 864,740 and 1,381,410

Step by Step Solution

1. Step 1: Write the proportion equation
   864,740 : 1,381,410 = 1,381,410 : x
2. Step 2: Convert to fraction form
   864,740/1,381,410 = 1,381,410/x
3. Step 3: Cross multiply
   864,740x = 1,381,410 × 1,381,410
4. Step 4: Simplify right side
   864,740x = 1,908,293,588,100
5. Step 5: Solve for x
   x = 1,908,293,588,100/864,740
6. Step 6: Final answer
   x = 2,206,783.07