Finding the Third Proportional to 158,688 and 245,916

Step by Step Solution

1. Step 1: Write the proportion equation
   158,688 : 245,916 = 245,916 : x
2. Step 2: Convert to fraction form
   158,688/245,916 = 245,916/x
3. Step 3: Cross multiply
   158,688x = 245,916 × 245,916
4. Step 4: Simplify right side
   158,688x = 60,474,679,056
5. Step 5: Solve for x
   x = 60,474,679,056/158,688
6. Step 6: Final answer
   x = 381,091.70