Finding the Third Proportional to 19,426.13 and 42,365.63

Step by Step Solution

1. Step 1: Write the proportion equation
   19,426.13 : 42,365.63 = 42,365.63 : x
2. Step 2: Convert to fraction form
   19,426.13/42,365.63 = 42,365.63/x
3. Step 3: Cross multiply
   19,426.13x = 42,365.63 × 42,365.63
4. Step 4: Simplify right side
   19,426.13x = 1,794,846,181.64
5. Step 5: Solve for x
   x = 1,794,846,181.64/19,426.13
6. Step 6: Final answer
   x = 92,393.42