Finding the Third Proportional to 1,021,520 and 2,072,224

Step by Step Solution

1. Step 1: Write the proportion equation
   1,021,520 : 2,072,224 = 2,072,224 : x
2. Step 2: Convert to fraction form
   1,021,520/2,072,224 = 2,072,224/x
3. Step 3: Cross multiply
   1,021,520x = 2,072,224 × 2,072,224
4. Step 4: Simplify right side
   1,021,520x = 4,294,112,306,176
5. Step 5: Solve for x
   x = 4,294,112,306,176/1,021,520
6. Step 6: Final answer
   x = 4,203,649.76