Finding the Third Proportional to 343,417.50 and 755,349

Step by Step Solution

1. Step 1: Write the proportion equation
   343,417.50 : 755,349 = 755,349 : x
2. Step 2: Convert to fraction form
   343,417.50/755,349 = 755,349/x
3. Step 3: Cross multiply
   343,417.50x = 755,349 × 755,349
4. Step 4: Simplify right side
   343,417.50x = 570,552,111,801
5. Step 5: Solve for x
   x = 570,552,111,801/343,417.50
6. Step 6: Final answer
   x = 1,661,394.98