Finding the Third Proportional to 1,370,628 and 2,009,178

Step by Step Solution

1. Step 1: Write the proportion equation
   1,370,628 : 2,009,178 = 2,009,178 : x
2. Step 2: Convert to fraction form
   1,370,628/2,009,178 = 2,009,178/x
3. Step 3: Cross multiply
   1,370,628x = 2,009,178 × 2,009,178
4. Step 4: Simplify right side
   1,370,628x = 4,036,796,235,684
5. Step 5: Solve for x
   x = 4,036,796,235,684/1,370,628
6. Step 6: Final answer
   x = 2,945,216.53