Finding the Third Proportional to 765,726 and 1,683,570

Step by Step Solution

1. Step 1: Write the proportion equation
   765,726 : 1,683,570 = 1,683,570 : x
2. Step 2: Convert to fraction form
   765,726/1,683,570 = 1,683,570/x
3. Step 3: Cross multiply
   765,726x = 1,683,570 × 1,683,570
4. Step 4: Simplify right side
   765,726x = 2,834,407,944,900
5. Step 5: Solve for x
   x = 2,834,407,944,900/765,726
6. Step 6: Final answer
   x = 3,701,595.54