Finding the Third Proportional to 12,630 and 19,814.25

Step by Step Solution

1. Step 1: Write the proportion equation
   12,630 : 19,814.25 = 19,814.25 : x
2. Step 2: Convert to fraction form
   12,630/19,814.25 = 19,814.25/x
3. Step 3: Cross multiply
   12,630x = 19,814.25 × 19,814.25
4. Step 4: Simplify right side
   12,630x = 392,604,503.06
5. Step 5: Solve for x
   x = 392,604,503.06/12,630
6. Step 6: Final answer
   x = 31,085.08