Finding the Third Proportional to 149,718 and 225,184.50

Step by Step Solution

1. Step 1: Write the proportion equation
   149,718 : 225,184.50 = 225,184.50 : x
2. Step 2: Convert to fraction form
   149,718/225,184.50 = 225,184.50/x
3. Step 3: Cross multiply
   149,718x = 225,184.50 × 225,184.50
4. Step 4: Simplify right side
   149,718x = 50,708,059,040.25
5. Step 5: Solve for x
   x = 50,708,059,040.25/149,718
6. Step 6: Final answer
   x = 338,690.47