Finding the Third Proportional to 2,172,560 and 4,773,088

Step by Step Solution

1. Step 1: Write the proportion equation
   2,172,560 : 4,773,088 = 4,773,088 : x
2. Step 2: Convert to fraction form
   2,172,560/4,773,088 = 4,773,088/x
3. Step 3: Cross multiply
   2,172,560x = 4,773,088 × 4,773,088
4. Step 4: Simplify right side
   2,172,560x = 22,782,369,055,744
5. Step 5: Solve for x
   x = 22,782,369,055,744/2,172,560
6. Step 6: Final answer
   x = 10,486,416.51