Finding the Third Proportional to 1,108,120 and 2,391,200

Step by Step Solution

1. Step 1: Write the proportion equation
   1,108,120 : 2,391,200 = 2,391,200 : x
2. Step 2: Convert to fraction form
   1,108,120/2,391,200 = 2,391,200/x
3. Step 3: Cross multiply
   1,108,120x = 2,391,200 × 2,391,200
4. Step 4: Simplify right side
   1,108,120x = 5,717,837,440,000
5. Step 5: Solve for x
   x = 5,717,837,440,000/1,108,120
6. Step 6: Final answer
   x = 5,159,944.27