Finding the Third Proportional to 1,915,620 and 4,091,491

Step by Step Solution

1. Step 1: Write the proportion equation
   1,915,620 : 4,091,491 = 4,091,491 : x
2. Step 2: Convert to fraction form
   1,915,620/4,091,491 = 4,091,491/x
3. Step 3: Cross multiply
   1,915,620x = 4,091,491 × 4,091,491
4. Step 4: Simplify right side
   1,915,620x = 16,740,298,603,081
5. Step 5: Solve for x
   x = 16,740,298,603,081/1,915,620
6. Step 6: Final answer
   x = 8,738,841.00