Finding the Third Proportional to 13,646.81 and 30,042.56

Step by Step Solution

1. Step 1: Write the proportion equation
   13,646.81 : 30,042.56 = 30,042.56 : x
2. Step 2: Convert to fraction form
   13,646.81/30,042.56 = 30,042.56/x
3. Step 3: Cross multiply
   13,646.81x = 30,042.56 × 30,042.56
4. Step 4: Simplify right side
   13,646.81x = 902,555,561.57
5. Step 5: Solve for x
   x = 902,555,561.57/13,646.81
6. Step 6: Final answer
   x = 66,136.73