Finding the Third Proportional to 1,683,708 and 3,693,390

Step by Step Solution

1. Step 1: Write the proportion equation
   1,683,708 : 3,693,390 = 3,693,390 : x
2. Step 2: Convert to fraction form
   1,683,708/3,693,390 = 3,693,390/x
3. Step 3: Cross multiply
   1,683,708x = 3,693,390 × 3,693,390
4. Step 4: Simplify right side
   1,683,708x = 13,641,129,692,100
5. Step 5: Solve for x
   x = 13,641,129,692,100/1,683,708
6. Step 6: Final answer
   x = 8,101,838.14