Finding the Third Proportional to 1,778,484 and 3,902,631

Step by Step Solution

1. Step 1: Write the proportion equation
   1,778,484 : 3,902,631 = 3,902,631 : x
2. Step 2: Convert to fraction form
   1,778,484/3,902,631 = 3,902,631/x
3. Step 3: Cross multiply
   1,778,484x = 3,902,631 × 3,902,631
4. Step 4: Simplify right side
   1,778,484x = 15,230,528,722,161
5. Step 5: Solve for x
   x = 15,230,528,722,161/1,778,484
6. Step 6: Final answer
   x = 8,563,770.45