Finding the Third Proportional to 16,445 and 35,517.50

Step by Step Solution

1. Step 1: Write the proportion equation
   16,445 : 35,517.50 = 35,517.50 : x
2. Step 2: Convert to fraction form
   16,445/35,517.50 = 35,517.50/x
3. Step 3: Cross multiply
   16,445x = 35,517.50 × 35,517.50
4. Step 4: Simplify right side
   16,445x = 1,261,492,806.25
5. Step 5: Solve for x
   x = 1,261,492,806.25/16,445
6. Step 6: Final answer
   x = 76,709.81