Finding the Third Proportional to 168,258 and 359,862

Step by Step Solution

1. Step 1: Write the proportion equation
   168,258 : 359,862 = 359,862 : x
2. Step 2: Convert to fraction form
   168,258/359,862 = 359,862/x
3. Step 3: Cross multiply
   168,258x = 359,862 × 359,862
4. Step 4: Simplify right side
   168,258x = 129,500,659,044
5. Step 5: Solve for x
   x = 129,500,659,044/168,258
6. Step 6: Final answer
   x = 769,655.29