Finding the Third Proportional to 1,900,842 and 3,936,414

Step by Step Solution

1. Step 1: Write the proportion equation
   1,900,842 : 3,936,414 = 3,936,414 : x
2. Step 2: Convert to fraction form
   1,900,842/3,936,414 = 3,936,414/x
3. Step 3: Cross multiply
   1,900,842x = 3,936,414 × 3,936,414
4. Step 4: Simplify right side
   1,900,842x = 15,495,355,179,396
5. Step 5: Solve for x
   x = 15,495,355,179,396/1,900,842
6. Step 6: Final answer
   x = 8,151,837.54