Finding the Third Proportional to 147,605.63 and 323,581.50

Step by Step Solution

1. Step 1: Write the proportion equation
   147,605.63 : 323,581.50 = 323,581.50 : x
2. Step 2: Convert to fraction form
   147,605.63/323,581.50 = 323,581.50/x
3. Step 3: Cross multiply
   147,605.63x = 323,581.50 × 323,581.50
4. Step 4: Simplify right side
   147,605.63x = 104,704,987,142.25
5. Step 5: Solve for x
   x = 104,704,987,142.25/147,605.63
6. Step 6: Final answer
   x = 709,356.35