Finding the Third Proportional to 1,997,292 and 4,274,520

Step by Step Solution

1. Step 1: Write the proportion equation
   1,997,292 : 4,274,520 = 4,274,520 : x
2. Step 2: Convert to fraction form
   1,997,292/4,274,520 = 4,274,520/x
3. Step 3: Cross multiply
   1,997,292x = 4,274,520 × 4,274,520
4. Step 4: Simplify right side
   1,997,292x = 18,271,521,230,400
5. Step 5: Solve for x
   x = 18,271,521,230,400/1,997,292
6. Step 6: Final answer
   x = 9,148,147.21