Finding the Third Proportional to 10,091.50 and 21,747.50

Step by Step Solution

1. Step 1: Write the proportion equation
   10,091.50 : 21,747.50 = 21,747.50 : x
2. Step 2: Convert to fraction form
   10,091.50/21,747.50 = 21,747.50/x
3. Step 3: Cross multiply
   10,091.50x = 21,747.50 × 21,747.50
4. Step 4: Simplify right side
   10,091.50x = 472,953,756.25
5. Step 5: Solve for x
   x = 472,953,756.25/10,091.50
6. Step 6: Final answer
   x = 46,866.55