Finding the Third Proportional to 1,942,560 and 4,121,820

Step by Step Solution

1. Step 1: Write the proportion equation
   1,942,560 : 4,121,820 = 4,121,820 : x
2. Step 2: Convert to fraction form
   1,942,560/4,121,820 = 4,121,820/x
3. Step 3: Cross multiply
   1,942,560x = 4,121,820 × 4,121,820
4. Step 4: Simplify right side
   1,942,560x = 16,989,400,112,400
5. Step 5: Solve for x
   x = 16,989,400,112,400/1,942,560
6. Step 6: Final answer
   x = 8,745,881.78