Finding the Third Proportional to 1,992,640 and 3,172,232

Step by Step Solution

1. Step 1: Write the proportion equation
   1,992,640 : 3,172,232 = 3,172,232 : x
2. Step 2: Convert to fraction form
   1,992,640/3,172,232 = 3,172,232/x
3. Step 3: Cross multiply
   1,992,640x = 3,172,232 × 3,172,232
4. Step 4: Simplify right side
   1,992,640x = 10,063,055,861,824
5. Step 5: Solve for x
   x = 10,063,055,861,824/1,992,640
6. Step 6: Final answer
   x = 5,050,112.34