Finding the Third Proportional to 6,140.81 and 13,663.69

Step by Step Solution

1. Step 1: Write the proportion equation
   6,140.81 : 13,663.69 = 13,663.69 : x
2. Step 2: Convert to fraction form
   6,140.81/13,663.69 = 13,663.69/x
3. Step 3: Cross multiply
   6,140.81x = 13,663.69 × 13,663.69
4. Step 4: Simplify right side
   6,140.81x = 186,696,356.10
5. Step 5: Solve for x
   x = 186,696,356.10/6,140.81
6. Step 6: Final answer
   x = 30,402.55