Finding the Third Proportional to 10,300.50 and 15,378.19

Step by Step Solution

1. Step 1: Write the proportion equation
   10,300.50 : 15,378.19 = 15,378.19 : x
2. Step 2: Convert to fraction form
   10,300.50/15,378.19 = 15,378.19/x
3. Step 3: Cross multiply
   10,300.50x = 15,378.19 × 15,378.19
4. Step 4: Simplify right side
   10,300.50x = 236,488,650.79
5. Step 5: Solve for x
   x = 236,488,650.79/10,300.50
6. Step 6: Final answer
   x = 22,958.95