Finding the Third Proportional to 344,952 and 515,300

Step by Step Solution

1. Step 1: Write the proportion equation
   344,952 : 515,300 = 515,300 : x
2. Step 2: Convert to fraction form
   344,952/515,300 = 515,300/x
3. Step 3: Cross multiply
   344,952x = 515,300 × 515,300
4. Step 4: Simplify right side
   344,952x = 265,534,090,000
5. Step 5: Solve for x
   x = 265,534,090,000/344,952
6. Step 6: Final answer
   x = 769,771.13