Finding the Third Proportional to 129,506 and 281,150

Step by Step Solution

1. Step 1: Write the proportion equation
   129,506 : 281,150 = 281,150 : x
2. Step 2: Convert to fraction form
   129,506/281,150 = 281,150/x
3. Step 3: Cross multiply
   129,506x = 281,150 × 281,150
4. Step 4: Simplify right side
   129,506x = 79,045,322,500
5. Step 5: Solve for x
   x = 79,045,322,500/129,506
6. Step 6: Final answer
   x = 610,360.31