Finding the Third Proportional to 661,910 and 1,428,797

Step by Step Solution

1. Step 1: Write the proportion equation
   661,910 : 1,428,797 = 1,428,797 : x
2. Step 2: Convert to fraction form
   661,910/1,428,797 = 1,428,797/x
3. Step 3: Cross multiply
   661,910x = 1,428,797 × 1,428,797
4. Step 4: Simplify right side
   661,910x = 2,041,460,867,209
5. Step 5: Solve for x
   x = 2,041,460,867,209/661,910
6. Step 6: Final answer
   x = 3,084,197.05