Finding the Third Proportional to 245,659.50 and 520,845

Step by Step Solution

1. Step 1: Write the proportion equation
   245,659.50 : 520,845 = 520,845 : x
2. Step 2: Convert to fraction form
   245,659.50/520,845 = 520,845/x
3. Step 3: Cross multiply
   245,659.50x = 520,845 × 520,845
4. Step 4: Simplify right side
   245,659.50x = 271,279,514,025
5. Step 5: Solve for x
   x = 271,279,514,025/245,659.50
6. Step 6: Final answer
   x = 1,104,290.75