Finding the Third Proportional to 34,615.31 and 51,865.31

Step by Step Solution

1. Step 1: Write the proportion equation
   34,615.31 : 51,865.31 = 51,865.31 : x
2. Step 2: Convert to fraction form
   34,615.31/51,865.31 = 51,865.31/x
3. Step 3: Cross multiply
   34,615.31x = 51,865.31 × 51,865.31
4. Step 4: Simplify right side
   34,615.31x = 2,690,010,640.72
5. Step 5: Solve for x
   x = 2,690,010,640.72/34,615.31
6. Step 6: Final answer
   x = 77,711.58