Finding the Third Proportional to 15,881 and 33,870.50

Step by Step Solution

1. Step 1: Write the proportion equation
   15,881 : 33,870.50 = 33,870.50 : x
2. Step 2: Convert to fraction form
   15,881/33,870.50 = 33,870.50/x
3. Step 3: Cross multiply
   15,881x = 33,870.50 × 33,870.50
4. Step 4: Simplify right side
   15,881x = 1,147,210,770.25
5. Step 5: Solve for x
   x = 1,147,210,770.25/15,881
6. Step 6: Final answer
   x = 72,237.94