Finding the Third Proportional to 1,841.77 and 3,977.72

Step by Step Solution

1. Step 1: Write the proportion equation
   1,841.77 : 3,977.72 = 3,977.72 : x
2. Step 2: Convert to fraction form
   1,841.77/3,977.72 = 3,977.72/x
3. Step 3: Cross multiply
   1,841.77x = 3,977.72 × 3,977.72
4. Step 4: Simplify right side
   1,841.77x = 15,822,246.45
5. Step 5: Solve for x
   x = 15,822,246.45/1,841.77
6. Step 6: Final answer
   x = 8,590.80