Finding the Third Proportional to 149,778 and 326,005.50

Step by Step Solution

1. Step 1: Write the proportion equation
   149,778 : 326,005.50 = 326,005.50 : x
2. Step 2: Convert to fraction form
   149,778/326,005.50 = 326,005.50/x
3. Step 3: Cross multiply
   149,778x = 326,005.50 × 326,005.50
4. Step 4: Simplify right side
   149,778x = 106,279,586,030.25
5. Step 5: Solve for x
   x = 106,279,586,030.25/149,778
6. Step 6: Final answer
   x = 709,580.75