Finding the Third Proportional to 42,022.69 and 91,045.13

Step by Step Solution

1. Step 1: Write the proportion equation
   42,022.69 : 91,045.13 = 91,045.13 : x
2. Step 2: Convert to fraction form
   42,022.69/91,045.13 = 91,045.13/x
3. Step 3: Cross multiply
   42,022.69x = 91,045.13 × 91,045.13
4. Step 4: Simplify right side
   42,022.69x = 8,289,214,786.27
5. Step 5: Solve for x
   x = 8,289,214,786.27/42,022.69
6. Step 6: Final answer
   x = 197,255.70