Finding the Third Proportional to 1,021,464 and 2,072,112

Step by Step Solution

1. Step 1: Write the proportion equation
   1,021,464 : 2,072,112 = 2,072,112 : x
2. Step 2: Convert to fraction form
   1,021,464/2,072,112 = 2,072,112/x
3. Step 3: Cross multiply
   1,021,464x = 2,072,112 × 2,072,112
4. Step 4: Simplify right side
   1,021,464x = 4,293,648,140,544
5. Step 5: Solve for x
   x = 4,293,648,140,544/1,021,464
6. Step 6: Final answer
   x = 4,203,425.81