Finding the Third Proportional to 42,080 and 90,736

Step by Step Solution

1. Step 1: Write the proportion equation
   42,080 : 90,736 = 90,736 : x
2. Step 2: Convert to fraction form
   42,080/90,736 = 90,736/x
3. Step 3: Cross multiply
   42,080x = 90,736 × 90,736
4. Step 4: Simplify right side
   42,080x = 8,233,021,696
5. Step 5: Solve for x
   x = 8,233,021,696/42,080
6. Step 6: Final answer
   x = 195,651.66