Finding the Third Proportional to 64,933.88 and 139,107.38

Step by Step Solution

1. Step 1: Write the proportion equation
   64,933.88 : 139,107.38 = 139,107.38 : x
2. Step 2: Convert to fraction form
   64,933.88/139,107.38 = 139,107.38/x
3. Step 3: Cross multiply
   64,933.88x = 139,107.38 × 139,107.38
4. Step 4: Simplify right side
   64,933.88x = 19,350,861,779.39
5. Step 5: Solve for x
   x = 19,350,861,779.39/64,933.88
6. Step 6: Final answer
   x = 298,008.73