Finding the Third Proportional to 31,307.63 and 48,485.25

Step by Step Solution

1. Step 1: Write the proportion equation
   31,307.63 : 48,485.25 = 48,485.25 : x
2. Step 2: Convert to fraction form
   31,307.63/48,485.25 = 48,485.25/x
3. Step 3: Cross multiply
   31,307.63x = 48,485.25 × 48,485.25
4. Step 4: Simplify right side
   31,307.63x = 2,350,819,467.56
5. Step 5: Solve for x
   x = 2,350,819,467.56/31,307.63
6. Step 6: Final answer
   x = 75,087.76