Finding the Third Proportional to 1,936,291 and 4,208,409

Step by Step Solution

1. Step 1: Write the proportion equation
   1,936,291 : 4,208,409 = 4,208,409 : x
2. Step 2: Convert to fraction form
   1,936,291/4,208,409 = 4,208,409/x
3. Step 3: Cross multiply
   1,936,291x = 4,208,409 × 4,208,409
4. Step 4: Simplify right side
   1,936,291x = 17,710,706,311,281
5. Step 5: Solve for x
   x = 17,710,706,311,281/1,936,291
6. Step 6: Final answer
   x = 9,146,717.26