Finding the Third Proportional to 661,967 and 1,428,880

Step by Step Solution

1. Step 1: Write the proportion equation
   661,967 : 1,428,880 = 1,428,880 : x
2. Step 2: Convert to fraction form
   661,967/1,428,880 = 1,428,880/x
3. Step 3: Cross multiply
   661,967x = 1,428,880 × 1,428,880
4. Step 4: Simplify right side
   661,967x = 2,041,698,054,400
5. Step 5: Solve for x
   x = 2,041,698,054,400/661,967
6. Step 6: Final answer
   x = 3,084,289.78