Finding the Third Proportional to 723,789 and 1,064,619

Step by Step Solution

1. Step 1: Write the proportion equation
   723,789 : 1,064,619 = 1,064,619 : x
2. Step 2: Convert to fraction form
   723,789/1,064,619 = 1,064,619/x
3. Step 3: Cross multiply
   723,789x = 1,064,619 × 1,064,619
4. Step 4: Simplify right side
   723,789x = 1,133,413,615,161
5. Step 5: Solve for x
   x = 1,133,413,615,161/723,789
6. Step 6: Final answer
   x = 1,565,944.79