Finding the Third Proportional to 18,897.75 and 49,189.50

Step by Step Solution

1. Step 1: Write the proportion equation
   18,897.75 : 49,189.50 = 49,189.50 : x
2. Step 2: Convert to fraction form
   18,897.75/49,189.50 = 49,189.50/x
3. Step 3: Cross multiply
   18,897.75x = 49,189.50 × 49,189.50
4. Step 4: Simplify right side
   18,897.75x = 2,419,606,910.25
5. Step 5: Solve for x
   x = 2,419,606,910.25/18,897.75
6. Step 6: Final answer
   x = 128,036.77