Finding the Third Proportional to 71,229.75 and 105,746.25

Step by Step Solution

1. Step 1: Write the proportion equation
   71,229.75 : 105,746.25 = 105,746.25 : x
2. Step 2: Convert to fraction form
   71,229.75/105,746.25 = 105,746.25/x
3. Step 3: Cross multiply
   71,229.75x = 105,746.25 × 105,746.25
4. Step 4: Simplify right side
   71,229.75x = 11,182,269,389.06
5. Step 5: Solve for x
   x = 11,182,269,389.06/71,229.75
6. Step 6: Final answer
   x = 156,988.75