Finding the Third Proportional to 772,636 and 1,694,636

Step by Step Solution

1. Step 1: Write the proportion equation
   772,636 : 1,694,636 = 1,694,636 : x
2. Step 2: Convert to fraction form
   772,636/1,694,636 = 1,694,636/x
3. Step 3: Cross multiply
   772,636x = 1,694,636 × 1,694,636
4. Step 4: Simplify right side
   772,636x = 2,871,791,172,496
5. Step 5: Solve for x
   x = 2,871,791,172,496/772,636
6. Step 6: Final answer
   x = 3,716,874.66