Finding the Third Proportional to 21,141 and 31,660.88

Step by Step Solution

1. Step 1: Write the proportion equation
   21,141 : 31,660.88 = 31,660.88 : x
2. Step 2: Convert to fraction form
   21,141/31,660.88 = 31,660.88/x
3. Step 3: Cross multiply
   21,141x = 31,660.88 × 31,660.88
4. Step 4: Simplify right side
   21,141x = 1,002,411,005.77
5. Step 5: Solve for x
   x = 1,002,411,005.77/21,141
6. Step 6: Final answer
   x = 47,415.50