Finding the Third Proportional to 139,018.50 and 282,951

Step by Step Solution

1. Step 1: Write the proportion equation
   139,018.50 : 282,951 = 282,951 : x
2. Step 2: Convert to fraction form
   139,018.50/282,951 = 282,951/x
3. Step 3: Cross multiply
   139,018.50x = 282,951 × 282,951
4. Step 4: Simplify right side
   139,018.50x = 80,061,268,401
5. Step 5: Solve for x
   x = 80,061,268,401/139,018.50
6. Step 6: Final answer
   x = 575,903.70