Finding the Third Proportional to 19,477.97 and 42,663.59

Step by Step Solution

1. Step 1: Write the proportion equation
   19,477.97 : 42,663.59 = 42,663.59 : x
2. Step 2: Convert to fraction form
   19,477.97/42,663.59 = 42,663.59/x
3. Step 3: Cross multiply
   19,477.97x = 42,663.59 × 42,663.59
4. Step 4: Simplify right side
   19,477.97x = 1,820,181,565.05
5. Step 5: Solve for x
   x = 1,820,181,565.05/19,477.97
6. Step 6: Final answer
   x = 93,448.22