Finding the Third Proportional to 759,826 and 1,621,357

Step by Step Solution

1. Step 1: Write the proportion equation
   759,826 : 1,621,357 = 1,621,357 : x
2. Step 2: Convert to fraction form
   759,826/1,621,357 = 1,621,357/x
3. Step 3: Cross multiply
   759,826x = 1,621,357 × 1,621,357
4. Step 4: Simplify right side
   759,826x = 2,628,798,521,449
5. Step 5: Solve for x
   x = 2,628,798,521,449/759,826
6. Step 6: Final answer
   x = 3,459,737.52