Finding the Third Proportional to 19,355.63 and 42,398.44

Step by Step Solution

1. Step 1: Write the proportion equation
   19,355.63 : 42,398.44 = 42,398.44 : x
2. Step 2: Convert to fraction form
   19,355.63/42,398.44 = 42,398.44/x
3. Step 3: Cross multiply
   19,355.63x = 42,398.44 × 42,398.44
4. Step 4: Simplify right side
   19,355.63x = 1,797,627,502.44
5. Step 5: Solve for x
   x = 1,797,627,502.44/19,355.63
6. Step 6: Final answer
   x = 92,873.65