Finding the Third Proportional to 765,377 and 1,668,538

Step by Step Solution

1. Step 1: Write the proportion equation
   765,377 : 1,668,538 = 1,668,538 : x
2. Step 2: Convert to fraction form
   765,377/1,668,538 = 1,668,538/x
3. Step 3: Cross multiply
   765,377x = 1,668,538 × 1,668,538
4. Step 4: Simplify right side
   765,377x = 2,784,019,057,444
5. Step 5: Solve for x
   x = 2,784,019,057,444/765,377
6. Step 6: Final answer
   x = 3,637,448.03