Finding the Third Proportional to 1,107,780 and 2,409,960

Step by Step Solution

1. Step 1: Write the proportion equation
   1,107,780 : 2,409,960 = 2,409,960 : x
2. Step 2: Convert to fraction form
   1,107,780/2,409,960 = 2,409,960/x
3. Step 3: Cross multiply
   1,107,780x = 2,409,960 × 2,409,960
4. Step 4: Simplify right side
   1,107,780x = 5,807,907,201,600
5. Step 5: Solve for x
   x = 5,807,907,201,600/1,107,780
6. Step 6: Final answer
   x = 5,242,834.50