Finding the Third Proportional to 31,915.50 and 50,513.25

Step by Step Solution

1. Step 1: Write the proportion equation
   31,915.50 : 50,513.25 = 50,513.25 : x
2. Step 2: Convert to fraction form
   31,915.50/50,513.25 = 50,513.25/x
3. Step 3: Cross multiply
   31,915.50x = 50,513.25 × 50,513.25
4. Step 4: Simplify right side
   31,915.50x = 2,551,588,425.56
5. Step 5: Solve for x
   x = 2,551,588,425.56/31,915.50
6. Step 6: Final answer
   x = 79,948.25