Finding the Third Proportional to 15,706.50 and 34,187.25

Step by Step Solution

1. Step 1: Write the proportion equation
   15,706.50 : 34,187.25 = 34,187.25 : x
2. Step 2: Convert to fraction form
   15,706.50/34,187.25 = 34,187.25/x
3. Step 3: Cross multiply
   15,706.50x = 34,187.25 × 34,187.25
4. Step 4: Simplify right side
   15,706.50x = 1,168,768,062.56
5. Step 5: Solve for x
   x = 1,168,768,062.56/15,706.50
6. Step 6: Final answer
   x = 74,413.02