Finding the Third Proportional to 42,363 and 91,290.38

Step by Step Solution

1. Step 1: Write the proportion equation
   42,363 : 91,290.38 = 91,290.38 : x
2. Step 2: Convert to fraction form
   42,363/91,290.38 = 91,290.38/x
3. Step 3: Cross multiply
   42,363x = 91,290.38 × 91,290.38
4. Step 4: Simplify right side
   42,363x = 8,333,932,567.64
5. Step 5: Solve for x
   x = 8,333,932,567.64/42,363
6. Step 6: Final answer
   x = 196,726.69