Finding the Third Proportional to 103,690 and 154,886

Step by Step Solution

1. Step 1: Write the proportion equation
   103,690 : 154,886 = 154,886 : x
2. Step 2: Convert to fraction form
   103,690/154,886 = 154,886/x
3. Step 3: Cross multiply
   103,690x = 154,886 × 154,886
4. Step 4: Simplify right side
   103,690x = 23,989,672,996
5. Step 5: Solve for x
   x = 23,989,672,996/103,690
6. Step 6: Final answer
   x = 231,359.56