Finding the Third Proportional to 15,940.69 and 34,911.56

Step by Step Solution

1. Step 1: Write the proportion equation
   15,940.69 : 34,911.56 = 34,911.56 : x
2. Step 2: Convert to fraction form
   15,940.69/34,911.56 = 34,911.56/x
3. Step 3: Cross multiply
   15,940.69x = 34,911.56 × 34,911.56
4. Step 4: Simplify right side
   15,940.69x = 1,218,817,196.19
5. Step 5: Solve for x
   x = 1,218,817,196.19/15,940.69
6. Step 6: Final answer
   x = 76,459.51