Finding the Third Proportional to 478,746.50 and 728,067

Step by Step Solution

1. Step 1: Write the proportion equation
   478,746.50 : 728,067 = 728,067 : x
2. Step 2: Convert to fraction form
   478,746.50/728,067 = 728,067/x
3. Step 3: Cross multiply
   478,746.50x = 728,067 × 728,067
4. Step 4: Simplify right side
   478,746.50x = 530,081,556,489
5. Step 5: Solve for x
   x = 530,081,556,489/478,746.50
6. Step 6: Final answer
   x = 1,107,228.06