Finding the Third Proportional to 1,866,492 and 3,997,350

Step by Step Solution

1. Step 1: Write the proportion equation
   1,866,492 : 3,997,350 = 3,997,350 : x
2. Step 2: Convert to fraction form
   1,866,492/3,997,350 = 3,997,350/x
3. Step 3: Cross multiply
   1,866,492x = 3,997,350 × 3,997,350
4. Step 4: Simplify right side
   1,866,492x = 15,978,807,022,500
5. Step 5: Solve for x
   x = 15,978,807,022,500/1,866,492
6. Step 6: Final answer
   x = 8,560,876.24