Finding the Third Proportional to 19,446.56 and 42,005.91

Step by Step Solution

1. Step 1: Write the proportion equation
   19,446.56 : 42,005.91 = 42,005.91 : x
2. Step 2: Convert to fraction form
   19,446.56/42,005.91 = 42,005.91/x
3. Step 3: Cross multiply
   19,446.56x = 42,005.91 × 42,005.91
4. Step 4: Simplify right side
   19,446.56x = 1,764,496,159.88
5. Step 5: Solve for x
   x = 1,764,496,159.88/19,446.56
6. Step 6: Final answer
   x = 90,735.63