Finding the Third Proportional to 1,974,036 and 4,247,520

Step by Step Solution

1. Step 1: Write the proportion equation
   1,974,036 : 4,247,520 = 4,247,520 : x
2. Step 2: Convert to fraction form
   1,974,036/4,247,520 = 4,247,520/x
3. Step 3: Cross multiply
   1,974,036x = 4,247,520 × 4,247,520
4. Step 4: Simplify right side
   1,974,036x = 18,041,426,150,400
5. Step 5: Solve for x
   x = 18,041,426,150,400/1,974,036
6. Step 6: Final answer
   x = 9,139,360.25