Finding the Third Proportional to 16,221.38 and 34,867.88

Step by Step Solution

1. Step 1: Write the proportion equation
   16,221.38 : 34,867.88 = 34,867.88 : x
2. Step 2: Convert to fraction form
   16,221.38/34,867.88 = 34,867.88/x
3. Step 3: Cross multiply
   16,221.38x = 34,867.88 × 34,867.88
4. Step 4: Simplify right side
   16,221.38x = 1,215,768,707.02
5. Step 5: Solve for x
   x = 1,215,768,707.02/16,221.38
6. Step 6: Final answer
   x = 74,948.56