Finding the Third Proportional to 674,218.69 and 1,448,485.03

Step by Step Solution

1. Step 1: Write the proportion equation
   674,218.69 : 1,448,485.03 = 1,448,485.03 : x
2. Step 2: Convert to fraction form
   674,218.69/1,448,485.03 = 1,448,485.03/x
3. Step 3: Cross multiply
   674,218.69x = 1,448,485.03 × 1,448,485.03
4. Step 4: Simplify right side
   674,218.69x = 2,098,108,885,755.31
5. Step 5: Solve for x
   x = 2,098,108,885,755.31/674,218.69
6. Step 6: Final answer
   x = 3,111,911.50