Finding the Third Proportional to 31,613 and 48,947

Step by Step Solution

1. Step 1: Write the proportion equation
   31,613 : 48,947 = 48,947 : x
2. Step 2: Convert to fraction form
   31,613/48,947 = 48,947/x
3. Step 3: Cross multiply
   31,613x = 48,947 × 48,947
4. Step 4: Simplify right side
   31,613x = 2,395,808,809
5. Step 5: Solve for x
   x = 2,395,808,809/31,613
6. Step 6: Final answer
   x = 75,785.56