Finding the Third Proportional to 503,703 and 760,405.50

Step by Step Solution

1. Step 1: Write the proportion equation
   503,703 : 760,405.50 = 760,405.50 : x
2. Step 2: Convert to fraction form
   503,703/760,405.50 = 760,405.50/x
3. Step 3: Cross multiply
   503,703x = 760,405.50 × 760,405.50
4. Step 4: Simplify right side
   503,703x = 578,216,524,430.25
5. Step 5: Solve for x
   x = 578,216,524,430.25/503,703
6. Step 6: Final answer
   x = 1,147,931.47