Finding the Third Proportional to 766,328 and 1,642,641

Step by Step Solution

1. Step 1: Write the proportion equation
   766,328 : 1,642,641 = 1,642,641 : x
2. Step 2: Convert to fraction form
   766,328/1,642,641 = 1,642,641/x
3. Step 3: Cross multiply
   766,328x = 1,642,641 × 1,642,641
4. Step 4: Simplify right side
   766,328x = 2,698,269,454,881
5. Step 5: Solve for x
   x = 2,698,269,454,881/766,328
6. Step 6: Final answer
   x = 3,521,037.28