Finding the Third Proportional to 1,242,608 and 1,909,344

Step by Step Solution

1. Step 1: Write the proportion equation
   1,242,608 : 1,909,344 = 1,909,344 : x
2. Step 2: Convert to fraction form
   1,242,608/1,909,344 = 1,909,344/x
3. Step 3: Cross multiply
   1,242,608x = 1,909,344 × 1,909,344
4. Step 4: Simplify right side
   1,242,608x = 3,645,594,510,336
5. Step 5: Solve for x
   x = 3,645,594,510,336/1,242,608
6. Step 6: Final answer
   x = 2,933,825.08