Finding the Third Proportional to 7,750.69 and 15,931.69

Step by Step Solution

1. Step 1: Write the proportion equation
   7,750.69 : 15,931.69 = 15,931.69 : x
2. Step 2: Convert to fraction form
   7,750.69/15,931.69 = 15,931.69/x
3. Step 3: Cross multiply
   7,750.69x = 15,931.69 × 15,931.69
4. Step 4: Simplify right side
   7,750.69x = 253,818,666.60
5. Step 5: Solve for x
   x = 253,818,666.60/7,750.69
6. Step 6: Final answer
   x = 32,747.89