Finding the Third Proportional to 340,262 and 409,881.50

Step by Step Solution

1. Step 1: Write the proportion equation
   340,262 : 409,881.50 = 409,881.50 : x
2. Step 2: Convert to fraction form
   340,262/409,881.50 = 409,881.50/x
3. Step 3: Cross multiply
   340,262x = 409,881.50 × 409,881.50
4. Step 4: Simplify right side
   340,262x = 168,002,844,042.25
5. Step 5: Solve for x
   x = 168,002,844,042.25/340,262
6. Step 6: Final answer
   x = 493,745.54