Finding the Third Proportional to 248,310.56 and 384,410.81

Step by Step Solution

1. Step 1: Write the proportion equation
   248,310.56 : 384,410.81 = 384,410.81 : x
2. Step 2: Convert to fraction form
   248,310.56/384,410.81 = 384,410.81/x
3. Step 3: Cross multiply
   248,310.56x = 384,410.81 × 384,410.81
4. Step 4: Simplify right side
   248,310.56x = 147,771,672,766.91
5. Step 5: Solve for x
   x = 147,771,672,766.91/248,310.56
6. Step 6: Final answer
   x = 595,108.28