Finding the Third Proportional to 31,698.75 and 49,056.75

Step by Step Solution

1. Step 1: Write the proportion equation
   31,698.75 : 49,056.75 = 49,056.75 : x
2. Step 2: Convert to fraction form
   31,698.75/49,056.75 = 49,056.75/x
3. Step 3: Cross multiply
   31,698.75x = 49,056.75 × 49,056.75
4. Step 4: Simplify right side
   31,698.75x = 2,406,564,720.56
5. Step 5: Solve for x
   x = 2,406,564,720.56/31,698.75
6. Step 6: Final answer
   x = 75,919.86