Finding the Third Proportional to 3,628,828 and 7,812,344

Step by Step Solution

1. Step 1: Write the proportion equation
   3,628,828 : 7,812,344 = 7,812,344 : x
2. Step 2: Convert to fraction form
   3,628,828/7,812,344 = 7,812,344/x
3. Step 3: Cross multiply
   3,628,828x = 7,812,344 × 7,812,344
4. Step 4: Simplify right side
   3,628,828x = 61,032,718,774,336
5. Step 5: Solve for x
   x = 61,032,718,774,336/3,628,828
6. Step 6: Final answer
   x = 16,818,851.37