Finding the Third Proportional to 1,986.19 and 4,671.84

Step by Step Solution

1. Step 1: Write the proportion equation
   1,986.19 : 4,671.84 = 4,671.84 : x
2. Step 2: Convert to fraction form
   1,986.19/4,671.84 = 4,671.84/x
3. Step 3: Cross multiply
   1,986.19x = 4,671.84 × 4,671.84
4. Step 4: Simplify right side
   1,986.19x = 21,826,124.02
5. Step 5: Solve for x
   x = 21,826,124.02/1,986.19
6. Step 6: Final answer
   x = 10,988.95