Finding the Third Proportional to 42,733.69 and 66,340.69

Step by Step Solution

1. Step 1: Write the proportion equation
   42,733.69 : 66,340.69 = 66,340.69 : x
2. Step 2: Convert to fraction form
   42,733.69/66,340.69 = 66,340.69/x
3. Step 3: Cross multiply
   42,733.69x = 66,340.69 × 66,340.69
4. Step 4: Simplify right side
   42,733.69x = 4,401,086,817.97
5. Step 5: Solve for x
   x = 4,401,086,817.97/42,733.69
6. Step 6: Final answer
   x = 102,988.70