Finding the Third Proportional to 147,609 and 323,588.25

Step by Step Solution

1. Step 1: Write the proportion equation
   147,609 : 323,588.25 = 323,588.25 : x
2. Step 2: Convert to fraction form
   147,609/323,588.25 = 323,588.25/x
3. Step 3: Cross multiply
   147,609x = 323,588.25 × 323,588.25
4. Step 4: Simplify right side
   147,609x = 104,709,355,538.06
5. Step 5: Solve for x
   x = 104,709,355,538.06/147,609
6. Step 6: Final answer
   x = 709,369.72