Finding the Third Proportional to 945,900 and 1,428,669

Step by Step Solution

1. Step 1: Write the proportion equation
   945,900 : 1,428,669 = 1,428,669 : x
2. Step 2: Convert to fraction form
   945,900/1,428,669 = 1,428,669/x
3. Step 3: Cross multiply
   945,900x = 1,428,669 × 1,428,669
4. Step 4: Simplify right side
   945,900x = 2,041,095,111,561
5. Step 5: Solve for x
   x = 2,041,095,111,561/945,900
6. Step 6: Final answer
   x = 2,157,833.93