Finding the Third Proportional to 343,636.17 and 755,019.98

Step by Step Solution

1. Step 1: Write the proportion equation
   343,636.17 : 755,019.98 = 755,019.98 : x
2. Step 2: Convert to fraction form
   343,636.17/755,019.98 = 755,019.98/x
3. Step 3: Cross multiply
   343,636.17x = 755,019.98 × 755,019.98
4. Step 4: Simplify right side
   343,636.17x = 570,055,176,805.63
5. Step 5: Solve for x
   x = 570,055,176,805.63/343,636.17
6. Step 6: Final answer
   x = 1,658,891.65