Finding the Third Proportional to 42,661.69 and 42,661.69

Step by Step Solution

1. Step 1: Write the proportion equation
   42,661.69 : 42,661.69 = 42,661.69 : x
2. Step 2: Convert to fraction form
   42,661.69/42,661.69 = 42,661.69/x
3. Step 3: Cross multiply
   42,661.69x = 42,661.69 × 42,661.69
4. Step 4: Simplify right side
   42,661.69x = 1,820,019,580.35
5. Step 5: Solve for x
   x = 1,820,019,580.35/42,661.69
6. Step 6: Final answer
   x = 42,661.69