Finding the Third Proportional to 19,499.75 and 42,112.75

Step by Step Solution

1. Step 1: Write the proportion equation
   19,499.75 : 42,112.75 = 42,112.75 : x
2. Step 2: Convert to fraction form
   19,499.75/42,112.75 = 42,112.75/x
3. Step 3: Cross multiply
   19,499.75x = 42,112.75 × 42,112.75
4. Step 4: Simplify right side
   19,499.75x = 1,773,483,712.56
5. Step 5: Solve for x
   x = 1,773,483,712.56/19,499.75
6. Step 6: Final answer
   x = 90,949.05