Finding the Third Proportional to 3,226,440 and 7,021,862

Step by Step Solution

1. Step 1: Write the proportion equation
   3,226,440 : 7,021,862 = 7,021,862 : x
2. Step 2: Convert to fraction form
   3,226,440/7,021,862 = 7,021,862/x
3. Step 3: Cross multiply
   3,226,440x = 7,021,862 × 7,021,862
4. Step 4: Simplify right side
   3,226,440x = 49,306,545,947,044
5. Step 5: Solve for x
   x = 49,306,545,947,044/3,226,440
6. Step 6: Final answer
   x = 15,282,027.85