Finding the Third Proportional to 16,765.88 and 34,909.50

Step by Step Solution

1. Step 1: Write the proportion equation
   16,765.88 : 34,909.50 = 34,909.50 : x
2. Step 2: Convert to fraction form
   16,765.88/34,909.50 = 34,909.50/x
3. Step 3: Cross multiply
   16,765.88x = 34,909.50 × 34,909.50
4. Step 4: Simplify right side
   16,765.88x = 1,218,673,190.25
5. Step 5: Solve for x
   x = 1,218,673,190.25/16,765.88
6. Step 6: Final answer
   x = 72,687.72