Finding the Third Proportional to 82,261.50 and 170,746.50

Step by Step Solution

1. Step 1: Write the proportion equation
   82,261.50 : 170,746.50 = 170,746.50 : x
2. Step 2: Convert to fraction form
   82,261.50/170,746.50 = 170,746.50/x
3. Step 3: Cross multiply
   82,261.50x = 170,746.50 × 170,746.50
4. Step 4: Simplify right side
   82,261.50x = 29,154,367,262.25
5. Step 5: Solve for x
   x = 29,154,367,262.25/82,261.50
6. Step 6: Final answer
   x = 354,410.84