Finding the Third Proportional to 1,918,024 and 4,072,476

Step by Step Solution

1. Step 1: Write the proportion equation
   1,918,024 : 4,072,476 = 4,072,476 : x
2. Step 2: Convert to fraction form
   1,918,024/4,072,476 = 4,072,476/x
3. Step 3: Cross multiply
   1,918,024x = 4,072,476 × 4,072,476
4. Step 4: Simplify right side
   1,918,024x = 16,585,060,770,576
5. Step 5: Solve for x
   x = 16,585,060,770,576/1,918,024
6. Step 6: Final answer
   x = 8,646,951.64