Finding the Third Proportional to 64,104 and 139,264.50

Step by Step Solution

1. Step 1: Write the proportion equation
   64,104 : 139,264.50 = 139,264.50 : x
2. Step 2: Convert to fraction form
   64,104/139,264.50 = 139,264.50/x
3. Step 3: Cross multiply
   64,104x = 139,264.50 × 139,264.50
4. Step 4: Simplify right side
   64,104x = 19,394,600,960.25
5. Step 5: Solve for x
   x = 19,394,600,960.25/64,104
6. Step 6: Final answer
   x = 302,549.00