Finding the Third Proportional to 1,936,308 and 4,208,442

Step by Step Solution

1. Step 1: Write the proportion equation
   1,936,308 : 4,208,442 = 4,208,442 : x
2. Step 2: Convert to fraction form
   1,936,308/4,208,442 = 4,208,442/x
3. Step 3: Cross multiply
   1,936,308x = 4,208,442 × 4,208,442
4. Step 4: Simplify right side
   1,936,308x = 17,710,984,067,364
5. Step 5: Solve for x
   x = 17,710,984,067,364/1,936,308
6. Step 6: Final answer
   x = 9,146,780.40