Finding the Third Proportional to 1,253,538 and 1,909,692

Step by Step Solution

1. Step 1: Write the proportion equation
   1,253,538 : 1,909,692 = 1,909,692 : x
2. Step 2: Convert to fraction form
   1,253,538/1,909,692 = 1,909,692/x
3. Step 3: Cross multiply
   1,253,538x = 1,909,692 × 1,909,692
4. Step 4: Simplify right side
   1,253,538x = 3,646,923,534,864
5. Step 5: Solve for x
   x = 3,646,923,534,864/1,253,538
6. Step 6: Final answer
   x = 2,909,304.33