Finding the Third Proportional to 1,415,153 and 2,177,783

Step by Step Solution

1. Step 1: Write the proportion equation
   1,415,153 : 2,177,783 = 2,177,783 : x
2. Step 2: Convert to fraction form
   1,415,153/2,177,783 = 2,177,783/x
3. Step 3: Cross multiply
   1,415,153x = 2,177,783 × 2,177,783
4. Step 4: Simplify right side
   1,415,153x = 4,742,738,795,089
5. Step 5: Solve for x
   x = 4,742,738,795,089/1,415,153
6. Step 6: Final answer
   x = 3,351,396.49