Finding the Third Proportional to 149,521.50 and 326,563

Step by Step Solution

1. Step 1: Write the proportion equation
   149,521.50 : 326,563 = 326,563 : x
2. Step 2: Convert to fraction form
   149,521.50/326,563 = 326,563/x
3. Step 3: Cross multiply
   149,521.50x = 326,563 × 326,563
4. Step 4: Simplify right side
   149,521.50x = 106,643,392,969
5. Step 5: Solve for x
   x = 106,643,392,969/149,521.50
6. Step 6: Final answer
   x = 713,231.16