Finding the Third Proportional to 13,663.69 and 28,372.78

Step by Step Solution

1. Step 1: Write the proportion equation
   13,663.69 : 28,372.78 = 28,372.78 : x
2. Step 2: Convert to fraction form
   13,663.69/28,372.78 = 28,372.78/x
3. Step 3: Cross multiply
   13,663.69x = 28,372.78 × 28,372.78
4. Step 4: Simplify right side
   13,663.69x = 805,014,715.86
5. Step 5: Solve for x
   x = 805,014,715.86/13,663.69
6. Step 6: Final answer
   x = 58,916.36