Finding the Third Proportional to 1,120,112 and 1,721,640

Step by Step Solution

1. Step 1: Write the proportion equation
   1,120,112 : 1,721,640 = 1,721,640 : x
2. Step 2: Convert to fraction form
   1,120,112/1,721,640 = 1,721,640/x
3. Step 3: Cross multiply
   1,120,112x = 1,721,640 × 1,721,640
4. Step 4: Simplify right side
   1,120,112x = 2,964,044,289,600
5. Step 5: Solve for x
   x = 2,964,044,289,600/1,120,112
6. Step 6: Final answer
   x = 2,646,203.50