Finding the Third Proportional to 1,969,800 and 4,233,840

Step by Step Solution

1. Step 1: Write the proportion equation
   1,969,800 : 4,233,840 = 4,233,840 : x
2. Step 2: Convert to fraction form
   1,969,800/4,233,840 = 4,233,840/x
3. Step 3: Cross multiply
   1,969,800x = 4,233,840 × 4,233,840
4. Step 4: Simplify right side
   1,969,800x = 17,925,401,145,600
5. Step 5: Solve for x
   x = 17,925,401,145,600/1,969,800
6. Step 6: Final answer
   x = 9,100,112.27