Finding the Third Proportional to 352,513.69 and 537,031.69

Step by Step Solution

1. Step 1: Write the proportion equation
   352,513.69 : 537,031.69 = 537,031.69 : x
2. Step 2: Convert to fraction form
   352,513.69/537,031.69 = 537,031.69/x
3. Step 3: Cross multiply
   352,513.69x = 537,031.69 × 537,031.69
4. Step 4: Simplify right side
   352,513.69x = 288,403,033,379.10
5. Step 5: Solve for x
   x = 288,403,033,379.10/352,513.69
6. Step 6: Final answer
   x = 818,132.87