Finding the Third Proportional to 51,111 and 104,290.88

Step by Step Solution

1. Step 1: Write the proportion equation
   51,111 : 104,290.88 = 104,290.88 : x
2. Step 2: Convert to fraction form
   51,111/104,290.88 = 104,290.88/x
3. Step 3: Cross multiply
   51,111x = 104,290.88 × 104,290.88
4. Step 4: Simplify right side
   51,111x = 10,876,586,608.27
5. Step 5: Solve for x
   x = 10,876,586,608.27/51,111
6. Step 6: Final answer
   x = 212,803.24