Finding the Third Proportional to 5,100.15 and 10,977.71

Step by Step Solution

1. Step 1: Write the proportion equation
   5,100.15 : 10,977.71 = 10,977.71 : x
2. Step 2: Convert to fraction form
   5,100.15/10,977.71 = 10,977.71/x
3. Step 3: Cross multiply
   5,100.15x = 10,977.71 × 10,977.71
4. Step 4: Simplify right side
   5,100.15x = 120,510,223.19
5. Step 5: Solve for x
   x = 120,510,223.19/5,100.15
6. Step 6: Final answer
   x = 23,628.75