Finding the Third Proportional to 2,173,308 and 4,720,008

Step by Step Solution

1. Step 1: Write the proportion equation
   2,173,308 : 4,720,008 = 4,720,008 : x
2. Step 2: Convert to fraction form
   2,173,308/4,720,008 = 4,720,008/x
3. Step 3: Cross multiply
   2,173,308x = 4,720,008 × 4,720,008
4. Step 4: Simplify right side
   2,173,308x = 22,278,475,520,064
5. Step 5: Solve for x
   x = 22,278,475,520,064/2,173,308
6. Step 6: Final answer
   x = 10,250,951.78