Finding the Third Proportional to 2,154,222 and 3,189,739.50

Step by Step Solution

1. Step 1: Write the proportion equation
   2,154,222 : 3,189,739.50 = 3,189,739.50 : x
2. Step 2: Convert to fraction form
   2,154,222/3,189,739.50 = 3,189,739.50/x
3. Step 3: Cross multiply
   2,154,222x = 3,189,739.50 × 3,189,739.50
4. Step 4: Simplify right side
   2,154,222x = 10,174,438,077,860.25
5. Step 5: Solve for x
   x = 10,174,438,077,860.25/2,154,222
6. Step 6: Final answer
   x = 4,723,022.08