Finding the Third Proportional to 5,292 and 10,570.50

Step by Step Solution

1. Step 1: Write the proportion equation
   5,292 : 10,570.50 = 10,570.50 : x
2. Step 2: Convert to fraction form
   5,292/10,570.50 = 10,570.50/x
3. Step 3: Cross multiply
   5,292x = 10,570.50 × 10,570.50
4. Step 4: Simplify right side
   5,292x = 111,735,470.25
5. Step 5: Solve for x
   x = 111,735,470.25/5,292
6. Step 6: Final answer
   x = 21,114.03