Finding the Third Proportional to 1,228,689 and 1,923,294

Step by Step Solution

1. Step 1: Write the proportion equation
   1,228,689 : 1,923,294 = 1,923,294 : x
2. Step 2: Convert to fraction form
   1,228,689/1,923,294 = 1,923,294/x
3. Step 3: Cross multiply
   1,228,689x = 1,923,294 × 1,923,294
4. Step 4: Simplify right side
   1,228,689x = 3,699,059,810,436
5. Step 5: Solve for x
   x = 3,699,059,810,436/1,228,689
6. Step 6: Final answer
   x = 3,010,574.53