Finding the Third Proportional to 661,938 and 1,428,834

Step by Step Solution

1. Step 1: Write the proportion equation
   661,938 : 1,428,834 = 1,428,834 : x
2. Step 2: Convert to fraction form
   661,938/1,428,834 = 1,428,834/x
3. Step 3: Cross multiply
   661,938x = 1,428,834 × 1,428,834
4. Step 4: Simplify right side
   661,938x = 2,041,566,599,556
5. Step 5: Solve for x
   x = 2,041,566,599,556/661,938
6. Step 6: Final answer
   x = 3,084,226.32