Finding the Third Proportional to 31,709.81 and 48,756.94

Step by Step Solution

1. Step 1: Write the proportion equation
   31,709.81 : 48,756.94 = 48,756.94 : x
2. Step 2: Convert to fraction form
   31,709.81/48,756.94 = 48,756.94/x
3. Step 3: Cross multiply
   31,709.81x = 48,756.94 × 48,756.94
4. Step 4: Simplify right side
   31,709.81x = 2,377,238,954.38
5. Step 5: Solve for x
   x = 2,377,238,954.38/31,709.81
6. Step 6: Final answer
   x = 74,968.56