Finding the Third Proportional to 31,211.30 and 48,908.81

Step by Step Solution

1. Step 1: Write the proportion equation
   31,211.30 : 48,908.81 = 48,908.81 : x
2. Step 2: Convert to fraction form
   31,211.30/48,908.81 = 48,908.81/x
3. Step 3: Cross multiply
   31,211.30x = 48,908.81 × 48,908.81
4. Step 4: Simplify right side
   31,211.30x = 2,392,071,940.16
5. Step 5: Solve for x
   x = 2,392,071,940.16/31,211.30
6. Step 6: Final answer
   x = 76,641.22