Finding the Third Proportional to 1,477,800 and 3,186,450

Step by Step Solution

1. Step 1: Write the proportion equation
   1,477,800 : 3,186,450 = 3,186,450 : x
2. Step 2: Convert to fraction form
   1,477,800/3,186,450 = 3,186,450/x
3. Step 3: Cross multiply
   1,477,800x = 3,186,450 × 3,186,450
4. Step 4: Simplify right side
   1,477,800x = 10,153,463,602,500
5. Step 5: Solve for x
   x = 10,153,463,602,500/1,477,800
6. Step 6: Final answer
   x = 6,870,661.53