Finding the Third Proportional to 81,506 and 168,250

Step by Step Solution

1. Step 1: Write the proportion equation
   81,506 : 168,250 = 168,250 : x
2. Step 2: Convert to fraction form
   81,506/168,250 = 168,250/x
3. Step 3: Cross multiply
   81,506x = 168,250 × 168,250
4. Step 4: Simplify right side
   81,506x = 28,308,062,500
5. Step 5: Solve for x
   x = 28,308,062,500/81,506
6. Step 6: Final answer
   x = 347,312.62