Finding the Third Proportional to 26,719.88 and 42,307.97

Step by Step Solution

1. Step 1: Write the proportion equation
   26,719.88 : 42,307.97 = 42,307.97 : x
2. Step 2: Convert to fraction form
   26,719.88/42,307.97 = 42,307.97/x
3. Step 3: Cross multiply
   26,719.88x = 42,307.97 × 42,307.97
4. Step 4: Simplify right side
   26,719.88x = 1,789,964,219.75
5. Step 5: Solve for x
   x = 1,789,964,219.75/26,719.88
6. Step 6: Final answer
   x = 66,989.99