Finding the Third Proportional to 661,960 and 1,428,908

Step by Step Solution

1. Step 1: Write the proportion equation
   661,960 : 1,428,908 = 1,428,908 : x
2. Step 2: Convert to fraction form
   661,960/1,428,908 = 1,428,908/x
3. Step 3: Cross multiply
   661,960x = 1,428,908 × 1,428,908
4. Step 4: Simplify right side
   661,960x = 2,041,778,072,464
5. Step 5: Solve for x
   x = 2,041,778,072,464/661,960
6. Step 6: Final answer
   x = 3,084,443.28