Finding the Third Proportional to 766,342 and 1,642,669

Step by Step Solution

1. Step 1: Write the proportion equation
   766,342 : 1,642,669 = 1,642,669 : x
2. Step 2: Convert to fraction form
   766,342/1,642,669 = 1,642,669/x
3. Step 3: Cross multiply
   766,342x = 1,642,669 × 1,642,669
4. Step 4: Simplify right side
   766,342x = 2,698,361,443,561
5. Step 5: Solve for x
   x = 2,698,361,443,561/766,342
6. Step 6: Final answer
   x = 3,521,092.99