Finding the Third Proportional to 137,591.50 and 281,015

Step by Step Solution

1. Step 1: Write the proportion equation
   137,591.50 : 281,015 = 281,015 : x
2. Step 2: Convert to fraction form
   137,591.50/281,015 = 281,015/x
3. Step 3: Cross multiply
   137,591.50x = 281,015 × 281,015
4. Step 4: Simplify right side
   137,591.50x = 78,969,430,225
5. Step 5: Solve for x
   x = 78,969,430,225/137,591.50
6. Step 6: Final answer
   x = 573,941.20