Finding the Third Proportional to 168,371 and 261,410.50

Step by Step Solution

1. Step 1: Write the proportion equation
   168,371 : 261,410.50 = 261,410.50 : x
2. Step 2: Convert to fraction form
   168,371/261,410.50 = 261,410.50/x
3. Step 3: Cross multiply
   168,371x = 261,410.50 × 261,410.50
4. Step 4: Simplify right side
   168,371x = 68,335,449,510.25
5. Step 5: Solve for x
   x = 68,335,449,510.25/168,371
6. Step 6: Final answer
   x = 405,862.35