Finding the Third Proportional to 20,908.13 and 34,885.69

Step by Step Solution

1. Step 1: Write the proportion equation
   20,908.13 : 34,885.69 = 34,885.69 : x
2. Step 2: Convert to fraction form
   20,908.13/34,885.69 = 34,885.69/x
3. Step 3: Cross multiply
   20,908.13x = 34,885.69 × 34,885.69
4. Step 4: Simplify right side
   20,908.13x = 1,217,011,192.35
5. Step 5: Solve for x
   x = 1,217,011,192.35/20,908.13
6. Step 6: Final answer
   x = 58,207.57