Finding the Third Proportional to 21,445.31 and 30,937.78

Step by Step Solution

1. Step 1: Write the proportion equation
   21,445.31 : 30,937.78 = 30,937.78 : x
2. Step 2: Convert to fraction form
   21,445.31/30,937.78 = 30,937.78/x
3. Step 3: Cross multiply
   21,445.31x = 30,937.78 × 30,937.78
4. Step 4: Simplify right side
   21,445.31x = 957,146,308.67
5. Step 5: Solve for x
   x = 957,146,308.67/21,445.31
6. Step 6: Final answer
   x = 44,631.96