Finding the Third Proportional to 1,314,720 and 1,878,768

Step by Step Solution

1. Step 1: Write the proportion equation
   1,314,720 : 1,878,768 = 1,878,768 : x
2. Step 2: Convert to fraction form
   1,314,720/1,878,768 = 1,878,768/x
3. Step 3: Cross multiply
   1,314,720x = 1,878,768 × 1,878,768
4. Step 4: Simplify right side
   1,314,720x = 3,529,769,197,824
5. Step 5: Solve for x
   x = 3,529,769,197,824/1,314,720
6. Step 6: Final answer
   x = 2,684,806.80