Finding the Third Proportional to 2,227,788 and 4,573,620

Step by Step Solution

1. Step 1: Write the proportion equation
   2,227,788 : 4,573,620 = 4,573,620 : x
2. Step 2: Convert to fraction form
   2,227,788/4,573,620 = 4,573,620/x
3. Step 3: Cross multiply
   2,227,788x = 4,573,620 × 4,573,620
4. Step 4: Simplify right side
   2,227,788x = 20,917,999,904,400
5. Step 5: Solve for x
   x = 20,917,999,904,400/2,227,788
6. Step 6: Final answer
   x = 9,389,582.81