Finding the Third Proportional to 42,016.13 and 90,404.25

Step by Step Solution

1. Step 1: Write the proportion equation
   42,016.13 : 90,404.25 = 90,404.25 : x
2. Step 2: Convert to fraction form
   42,016.13/90,404.25 = 90,404.25/x
3. Step 3: Cross multiply
   42,016.13x = 90,404.25 × 90,404.25
4. Step 4: Simplify right side
   42,016.13x = 8,172,928,418.06
5. Step 5: Solve for x
   x = 8,172,928,418.06/42,016.13
6. Step 6: Final answer
   x = 194,518.85