Finding the Third Proportional to 1,900,829 and 3,936,393

Step by Step Solution

1. Step 1: Write the proportion equation
   1,900,829 : 3,936,393 = 3,936,393 : x
2. Step 2: Convert to fraction form
   1,900,829/3,936,393 = 3,936,393/x
3. Step 3: Cross multiply
   1,900,829x = 3,936,393 × 3,936,393
4. Step 4: Simplify right side
   1,900,829x = 15,495,189,850,449
5. Step 5: Solve for x
   x = 15,495,189,850,449/1,900,829
6. Step 6: Final answer
   x = 8,151,806.32