Finding the Third Proportional to 30,631.50 and 48,863.25

Step by Step Solution

1. Step 1: Write the proportion equation
   30,631.50 : 48,863.25 = 48,863.25 : x
2. Step 2: Convert to fraction form
   30,631.50/48,863.25 = 48,863.25/x
3. Step 3: Cross multiply
   30,631.50x = 48,863.25 × 48,863.25
4. Step 4: Simplify right side
   30,631.50x = 2,387,617,200.56
5. Step 5: Solve for x
   x = 2,387,617,200.56/30,631.50
6. Step 6: Final answer
   x = 77,946.47