Finding the Third Proportional to 640,226 and 1,373,764

Step by Step Solution

1. Step 1: Write the proportion equation
   640,226 : 1,373,764 = 1,373,764 : x
2. Step 2: Convert to fraction form
   640,226/1,373,764 = 1,373,764/x
3. Step 3: Cross multiply
   640,226x = 1,373,764 × 1,373,764
4. Step 4: Simplify right side
   640,226x = 1,887,227,527,696
5. Step 5: Solve for x
   x = 1,887,227,527,696/640,226
6. Step 6: Final answer
   x = 2,947,752.09