Finding the Third Proportional to 19,000.31 and 42,369.56

Step by Step Solution

1. Step 1: Write the proportion equation
   19,000.31 : 42,369.56 = 42,369.56 : x
2. Step 2: Convert to fraction form
   19,000.31/42,369.56 = 42,369.56/x
3. Step 3: Cross multiply
   19,000.31x = 42,369.56 × 42,369.56
4. Step 4: Simplify right side
   19,000.31x = 1,795,179,826.44
5. Step 5: Solve for x
   x = 1,795,179,826.44/19,000.31
6. Step 6: Final answer
   x = 94,481.59