Finding the Third Proportional to 2,115,402 and 3,222,696

Step by Step Solution

1. Step 1: Write the proportion equation
   2,115,402 : 3,222,696 = 3,222,696 : x
2. Step 2: Convert to fraction form
   2,115,402/3,222,696 = 3,222,696/x
3. Step 3: Cross multiply
   2,115,402x = 3,222,696 × 3,222,696
4. Step 4: Simplify right side
   2,115,402x = 10,385,769,508,416
5. Step 5: Solve for x
   x = 10,385,769,508,416/2,115,402
6. Step 6: Final answer
   x = 4,909,596.15