Finding the Third Proportional to 64,038.09 and 139,150.41

Step by Step Solution

1. Step 1: Write the proportion equation
   64,038.09 : 139,150.41 = 139,150.41 : x
2. Step 2: Convert to fraction form
   64,038.09/139,150.41 = 139,150.41/x
3. Step 3: Cross multiply
   64,038.09x = 139,150.41 × 139,150.41
4. Step 4: Simplify right side
   64,038.09x = 19,362,835,559.54
5. Step 5: Solve for x
   x = 19,362,835,559.54/64,038.09
6. Step 6: Final answer
   x = 302,364.33