Finding the Third Proportional to 168,345 and 369,401.63

Step by Step Solution

1. Step 1: Write the proportion equation
   168,345 : 369,401.63 = 369,401.63 : x
2. Step 2: Convert to fraction form
   168,345/369,401.63 = 369,401.63/x
3. Step 3: Cross multiply
   168,345x = 369,401.63 × 369,401.63
4. Step 4: Simplify right side
   168,345x = 136,457,560,552.64
5. Step 5: Solve for x
   x = 136,457,560,552.64/168,345
6. Step 6: Final answer
   x = 810,582.79