Finding the Third Proportional to 15,035.63 and 21,186.56

Step by Step Solution

1. Step 1: Write the proportion equation
   15,035.63 : 21,186.56 = 21,186.56 : x
2. Step 2: Convert to fraction form
   15,035.63/21,186.56 = 21,186.56/x
3. Step 3: Cross multiply
   15,035.63x = 21,186.56 × 21,186.56
4. Step 4: Simplify right side
   15,035.63x = 448,870,430.57
5. Step 5: Solve for x
   x = 448,870,430.57/15,035.63
6. Step 6: Final answer
   x = 29,853.79