Finding the Third Proportional to 1,082,720 and 2,381,440

Step by Step Solution

1. Step 1: Write the proportion equation
   1,082,720 : 2,381,440 = 2,381,440 : x
2. Step 2: Convert to fraction form
   1,082,720/2,381,440 = 2,381,440/x
3. Step 3: Cross multiply
   1,082,720x = 2,381,440 × 2,381,440
4. Step 4: Simplify right side
   1,082,720x = 5,671,256,473,600
5. Step 5: Solve for x
   x = 5,671,256,473,600/1,082,720
6. Step 6: Final answer
   x = 5,237,971.47