Finding the Third Proportional to 5,128.31 and 10,893.94

Step by Step Solution

1. Step 1: Write the proportion equation
   5,128.31 : 10,893.94 = 10,893.94 : x
2. Step 2: Convert to fraction form
   5,128.31/10,893.94 = 10,893.94/x
3. Step 3: Cross multiply
   5,128.31x = 10,893.94 × 10,893.94
4. Step 4: Simplify right side
   5,128.31x = 118,677,874.25
5. Step 5: Solve for x
   x = 118,677,874.25/5,128.31
6. Step 6: Final answer
   x = 23,141.70