Finding the Third Proportional to 42,202.69 and 90,604.69

Step by Step Solution

1. Step 1: Write the proportion equation
   42,202.69 : 90,604.69 = 90,604.69 : x
2. Step 2: Convert to fraction form
   42,202.69/90,604.69 = 90,604.69/x
3. Step 3: Cross multiply
   42,202.69x = 90,604.69 × 90,604.69
4. Step 4: Simplify right side
   42,202.69x = 8,209,209,396.97
5. Step 5: Solve for x
   x = 8,209,209,396.97/42,202.69
6. Step 6: Final answer
   x = 194,518.64