Finding the Third Proportional to 343,426.50 and 525,339

Step by Step Solution

1. Step 1: Write the proportion equation
   343,426.50 : 525,339 = 525,339 : x
2. Step 2: Convert to fraction form
   343,426.50/525,339 = 525,339/x
3. Step 3: Cross multiply
   343,426.50x = 525,339 × 525,339
4. Step 4: Simplify right side
   343,426.50x = 275,981,064,921
5. Step 5: Solve for x
   x = 275,981,064,921/343,426.50
6. Step 6: Final answer
   x = 803,610.28