Finding the Third Proportional to 16,240.50 and 35,518.50

Step by Step Solution

1. Step 1: Write the proportion equation
   16,240.50 : 35,518.50 = 35,518.50 : x
2. Step 2: Convert to fraction form
   16,240.50/35,518.50 = 35,518.50/x
3. Step 3: Cross multiply
   16,240.50x = 35,518.50 × 35,518.50
4. Step 4: Simplify right side
   16,240.50x = 1,261,563,842.25
5. Step 5: Solve for x
   x = 1,261,563,842.25/16,240.50
6. Step 6: Final answer
   x = 77,680.11