Finding the Third Proportional to 16,600.50 and 34,159.50

Step by Step Solution

1. Step 1: Write the proportion equation
   16,600.50 : 34,159.50 = 34,159.50 : x
2. Step 2: Convert to fraction form
   16,600.50/34,159.50 = 34,159.50/x
3. Step 3: Cross multiply
   16,600.50x = 34,159.50 × 34,159.50
4. Step 4: Simplify right side
   16,600.50x = 1,166,871,440.25
5. Step 5: Solve for x
   x = 1,166,871,440.25/16,600.50
6. Step 6: Final answer
   x = 70,291.34