Finding the Third Proportional to 1,970,346 and 4,244,643

Step by Step Solution

1. Step 1: Write the proportion equation
   1,970,346 : 4,244,643 = 4,244,643 : x
2. Step 2: Convert to fraction form
   1,970,346/4,244,643 = 4,244,643/x
3. Step 3: Cross multiply
   1,970,346x = 4,244,643 × 4,244,643
4. Step 4: Simplify right side
   1,970,346x = 18,016,994,197,449
5. Step 5: Solve for x
   x = 18,016,994,197,449/1,970,346
6. Step 6: Final answer
   x = 9,144,076.32