Finding the Third Proportional to 1,929,398 and 4,201,660

Step by Step Solution

1. Step 1: Write the proportion equation
   1,929,398 : 4,201,660 = 4,201,660 : x
2. Step 2: Convert to fraction form
   1,929,398/4,201,660 = 4,201,660/x
3. Step 3: Cross multiply
   1,929,398x = 4,201,660 × 4,201,660
4. Step 4: Simplify right side
   1,929,398x = 17,653,946,755,600
5. Step 5: Solve for x
   x = 17,653,946,755,600/1,929,398
6. Step 6: Final answer
   x = 9,149,976.71