Finding the Third Proportional to 19,686.38 and 29,630.81

Step by Step Solution

1. Step 1: Write the proportion equation
   19,686.38 : 29,630.81 = 29,630.81 : x
2. Step 2: Convert to fraction form
   19,686.38/29,630.81 = 29,630.81/x
3. Step 3: Cross multiply
   19,686.38x = 29,630.81 × 29,630.81
4. Step 4: Simplify right side
   19,686.38x = 877,985,049.41
5. Step 5: Solve for x
   x = 877,985,049.41/19,686.38
6. Step 6: Final answer
   x = 44,598.61