Finding the Third Proportional to 31,063.50 and 57,811.50

Step by Step Solution

1. Step 1: Write the proportion equation
   31,063.50 : 57,811.50 = 57,811.50 : x
2. Step 2: Convert to fraction form
   31,063.50/57,811.50 = 57,811.50/x
3. Step 3: Cross multiply
   31,063.50x = 57,811.50 × 57,811.50
4. Step 4: Simplify right side
   31,063.50x = 3,342,169,532.25
5. Step 5: Solve for x
   x = 3,342,169,532.25/31,063.50
6. Step 6: Final answer
   x = 107,591.53