Finding the Third Proportional to 164,615 and 360,686.50

Step by Step Solution

1. Step 1: Write the proportion equation
   164,615 : 360,686.50 = 360,686.50 : x
2. Step 2: Convert to fraction form
   164,615/360,686.50 = 360,686.50/x
3. Step 3: Cross multiply
   164,615x = 360,686.50 × 360,686.50
4. Step 4: Simplify right side
   164,615x = 130,094,751,282.25
5. Step 5: Solve for x
   x = 130,094,751,282.25/164,615
6. Step 6: Final answer
   x = 790,297.06