Finding the Third Proportional to 103,688 and 158,808

Step by Step Solution

1. Step 1: Write the proportion equation
   103,688 : 158,808 = 158,808 : x
2. Step 2: Convert to fraction form
   103,688/158,808 = 158,808/x
3. Step 3: Cross multiply
   103,688x = 158,808 × 158,808
4. Step 4: Simplify right side
   103,688x = 25,219,980,864
5. Step 5: Solve for x
   x = 25,219,980,864/103,688
6. Step 6: Final answer
   x = 243,229.50