Finding the Third Proportional to 104,313 and 213,583.50

Step by Step Solution

1. Step 1: Write the proportion equation
   104,313 : 213,583.50 = 213,583.50 : x
2. Step 2: Convert to fraction form
   104,313/213,583.50 = 213,583.50/x
3. Step 3: Cross multiply
   104,313x = 213,583.50 × 213,583.50
4. Step 4: Simplify right side
   104,313x = 45,617,911,472.25
5. Step 5: Solve for x
   x = 45,617,911,472.25/104,313
6. Step 6: Final answer
   x = 437,317.61