Finding the Third Proportional to 661,942 and 1,428,842

Step by Step Solution

1. Step 1: Write the proportion equation
   661,942 : 1,428,842 = 1,428,842 : x
2. Step 2: Convert to fraction form
   661,942/1,428,842 = 1,428,842/x
3. Step 3: Cross multiply
   661,942x = 1,428,842 × 1,428,842
4. Step 4: Simplify right side
   661,942x = 2,041,589,460,964
5. Step 5: Solve for x
   x = 2,041,589,460,964/661,942
6. Step 6: Final answer
   x = 3,084,242.22