Finding the Third Proportional to 19,854 and 29,173.50

Step by Step Solution

1. Step 1: Write the proportion equation
   19,854 : 29,173.50 = 29,173.50 : x
2. Step 2: Convert to fraction form
   19,854/29,173.50 = 29,173.50/x
3. Step 3: Cross multiply
   19,854x = 29,173.50 × 29,173.50
4. Step 4: Simplify right side
   19,854x = 851,093,102.25
5. Step 5: Solve for x
   x = 851,093,102.25/19,854
6. Step 6: Final answer
   x = 42,867.59