Finding the Third Proportional to 757,958 and 1,643,396

Step by Step Solution

1. Step 1: Write the proportion equation
   757,958 : 1,643,396 = 1,643,396 : x
2. Step 2: Convert to fraction form
   757,958/1,643,396 = 1,643,396/x
3. Step 3: Cross multiply
   757,958x = 1,643,396 × 1,643,396
4. Step 4: Simplify right side
   757,958x = 2,700,750,412,816
5. Step 5: Solve for x
   x = 2,700,750,412,816/757,958
6. Step 6: Final answer
   x = 3,563,192.70