Finding the Third Proportional to 1,570,145 and 3,388,978

Step by Step Solution

1. Step 1: Write the proportion equation
   1,570,145 : 3,388,978 = 3,388,978 : x
2. Step 2: Convert to fraction form
   1,570,145/3,388,978 = 3,388,978/x
3. Step 3: Cross multiply
   1,570,145x = 3,388,978 × 3,388,978
4. Step 4: Simplify right side
   1,570,145x = 11,485,171,884,484
5. Step 5: Solve for x
   x = 11,485,171,884,484/1,570,145
6. Step 6: Final answer
   x = 7,314,720.54