Finding the Third Proportional to 19,144.79 and 28,601.86

Step by Step Solution

1. Step 1: Write the proportion equation
   19,144.79 : 28,601.86 = 28,601.86 : x
2. Step 2: Convert to fraction form
   19,144.79/28,601.86 = 28,601.86/x
3. Step 3: Cross multiply
   19,144.79x = 28,601.86 × 28,601.86
4. Step 4: Simplify right side
   19,144.79x = 818,066,359.71
5. Step 5: Solve for x
   x = 818,066,359.71/19,144.79
6. Step 6: Final answer
   x = 42,730.49