Finding the Third Proportional to 174,991.50 and 360,864

Step by Step Solution

1. Step 1: Write the proportion equation
   174,991.50 : 360,864 = 360,864 : x
2. Step 2: Convert to fraction form
   174,991.50/360,864 = 360,864/x
3. Step 3: Cross multiply
   174,991.50x = 360,864 × 360,864
4. Step 4: Simplify right side
   174,991.50x = 130,222,826,496
5. Step 5: Solve for x
   x = 130,222,826,496/174,991.50
6. Step 6: Final answer
   x = 744,166.58