Finding the Third Proportional to 10,300.50 and 18,385.31

Step by Step Solution

1. Step 1: Write the proportion equation
   10,300.50 : 18,385.31 = 18,385.31 : x
2. Step 2: Convert to fraction form
   10,300.50/18,385.31 = 18,385.31/x
3. Step 3: Cross multiply
   10,300.50x = 18,385.31 × 18,385.31
4. Step 4: Simplify right side
   10,300.50x = 338,019,715.72
5. Step 5: Solve for x
   x = 338,019,715.72/10,300.50
6. Step 6: Final answer
   x = 32,815.86