Finding the Third Proportional to 778,601 and 1,673,590

Step by Step Solution

1. Step 1: Write the proportion equation
   778,601 : 1,673,590 = 1,673,590 : x
2. Step 2: Convert to fraction form
   778,601/1,673,590 = 1,673,590/x
3. Step 3: Cross multiply
   778,601x = 1,673,590 × 1,673,590
4. Step 4: Simplify right side
   778,601x = 2,800,903,488,100
5. Step 5: Solve for x
   x = 2,800,903,488,100/778,601
6. Step 6: Final answer
   x = 3,597,354.09