Finding the Third Proportional to 505,804.50 and 762,048

Step by Step Solution

1. Step 1: Write the proportion equation
   505,804.50 : 762,048 = 762,048 : x
2. Step 2: Convert to fraction form
   505,804.50/762,048 = 762,048/x
3. Step 3: Cross multiply
   505,804.50x = 762,048 × 762,048
4. Step 4: Simplify right side
   505,804.50x = 580,717,154,304
5. Step 5: Solve for x
   x = 580,717,154,304/505,804.50
6. Step 6: Final answer
   x = 1,148,105.95