Finding the Third Proportional to 1,477,199 and 3,213,215

Step by Step Solution

1. Step 1: Write the proportion equation
   1,477,199 : 3,213,215 = 3,213,215 : x
2. Step 2: Convert to fraction form
   1,477,199/3,213,215 = 3,213,215/x
3. Step 3: Cross multiply
   1,477,199x = 3,213,215 × 3,213,215
4. Step 4: Simplify right side
   1,477,199x = 10,324,750,636,225
5. Step 5: Solve for x
   x = 10,324,750,636,225/1,477,199
6. Step 6: Final answer
   x = 6,989,410.79