Finding the Third Proportional to 16,436 and 35,498.50

Step by Step Solution

1. Step 1: Write the proportion equation
   16,436 : 35,498.50 = 35,498.50 : x
2. Step 2: Convert to fraction form
   16,436/35,498.50 = 35,498.50/x
3. Step 3: Cross multiply
   16,436x = 35,498.50 × 35,498.50
4. Step 4: Simplify right side
   16,436x = 1,260,143,502.25
5. Step 5: Solve for x
   x = 1,260,143,502.25/16,436
6. Step 6: Final answer
   x = 76,669.72