Finding the Third Proportional to 28,611 and 41,989.50

Step by Step Solution

1. Step 1: Write the proportion equation
   28,611 : 41,989.50 = 41,989.50 : x
2. Step 2: Convert to fraction form
   28,611/41,989.50 = 41,989.50/x
3. Step 3: Cross multiply
   28,611x = 41,989.50 × 41,989.50
4. Step 4: Simplify right side
   28,611x = 1,763,118,110.25
5. Step 5: Solve for x
   x = 1,763,118,110.25/28,611
6. Step 6: Final answer
   x = 61,623.78