Finding the Third Proportional to 1,563,618 and 3,426,174

Step by Step Solution

1. Step 1: Write the proportion equation
   1,563,618 : 3,426,174 = 3,426,174 : x
2. Step 2: Convert to fraction form
   1,563,618/3,426,174 = 3,426,174/x
3. Step 3: Cross multiply
   1,563,618x = 3,426,174 × 3,426,174
4. Step 4: Simplify right side
   1,563,618x = 11,738,668,278,276
5. Step 5: Solve for x
   x = 11,738,668,278,276/1,563,618
6. Step 6: Final answer
   x = 7,507,376.02