Finding the Third Proportional to 248,998.50 and 373,680

Step by Step Solution

1. Step 1: Write the proportion equation
   248,998.50 : 373,680 = 373,680 : x
2. Step 2: Convert to fraction form
   248,998.50/373,680 = 373,680/x
3. Step 3: Cross multiply
   248,998.50x = 373,680 × 373,680
4. Step 4: Simplify right side
   248,998.50x = 139,636,742,400
5. Step 5: Solve for x
   x = 139,636,742,400/248,998.50
6. Step 6: Final answer
   x = 560,793.51