Finding the Third Proportional to 64,253.63 and 139,233.38

Step by Step Solution

1. Step 1: Write the proportion equation
   64,253.63 : 139,233.38 = 139,233.38 : x
2. Step 2: Convert to fraction form
   64,253.63/139,233.38 = 139,233.38/x
3. Step 3: Cross multiply
   64,253.63x = 139,233.38 × 139,233.38
4. Step 4: Simplify right side
   64,253.63x = 19,385,932,713.89
5. Step 5: Solve for x
   x = 19,385,932,713.89/64,253.63
6. Step 6: Final answer
   x = 301,709.56