Finding the Third Proportional to 21,467.81 and 31,579.88

Step by Step Solution

1. Step 1: Write the proportion equation
   21,467.81 : 31,579.88 = 31,579.88 : x
2. Step 2: Convert to fraction form
   21,467.81/31,579.88 = 31,579.88/x
3. Step 3: Cross multiply
   21,467.81x = 31,579.88 × 31,579.88
4. Step 4: Simplify right side
   21,467.81x = 997,288,505.02
5. Step 5: Solve for x
   x = 997,288,505.02/21,467.81
6. Step 6: Final answer
   x = 46,455.06