Finding the Third Proportional to 15,931.69 and 34,893.28

Step by Step Solution

1. Step 1: Write the proportion equation
   15,931.69 : 34,893.28 = 34,893.28 : x
2. Step 2: Convert to fraction form
   15,931.69/34,893.28 = 34,893.28/x
3. Step 3: Cross multiply
   15,931.69x = 34,893.28 × 34,893.28
4. Step 4: Simplify right side
   15,931.69x = 1,217,541,076.39
5. Step 5: Solve for x
   x = 1,217,541,076.39/15,931.69
6. Step 6: Final answer
   x = 76,422.61