Finding the Third Proportional to 19,765.58 and 42,356.04

Step by Step Solution

1. Step 1: Write the proportion equation
   19,765.58 : 42,356.04 = 42,356.04 : x
2. Step 2: Convert to fraction form
   19,765.58/42,356.04 = 42,356.04/x
3. Step 3: Cross multiply
   19,765.58x = 42,356.04 × 42,356.04
4. Step 4: Simplify right side
   19,765.58x = 1,794,034,045.06
5. Step 5: Solve for x
   x = 1,794,034,045.06/19,765.58
6. Step 6: Final answer
   x = 90,765.56