Finding the Third Proportional to 112,876.31 and 170,271.56

Step by Step Solution

1. Step 1: Write the proportion equation
   112,876.31 : 170,271.56 = 170,271.56 : x
2. Step 2: Convert to fraction form
   112,876.31/170,271.56 = 170,271.56/x
3. Step 3: Cross multiply
   112,876.31x = 170,271.56 × 170,271.56
4. Step 4: Simplify right side
   112,876.31x = 28,992,404,996.19
5. Step 5: Solve for x
   x = 28,992,404,996.19/112,876.31
6. Step 6: Final answer
   x = 256,851.10