Finding the Third Proportional to 674,221.50 and 1,448,498.25

Step by Step Solution

1. Step 1: Write the proportion equation
   674,221.50 : 1,448,498.25 = 1,448,498.25 : x
2. Step 2: Convert to fraction form
   674,221.50/1,448,498.25 = 1,448,498.25/x
3. Step 3: Cross multiply
   674,221.50x = 1,448,498.25 × 1,448,498.25
4. Step 4: Simplify right side
   674,221.50x = 2,098,147,180,253.06
5. Step 5: Solve for x
   x = 2,098,147,180,253.06/674,221.50
6. Step 6: Final answer
   x = 3,111,955.31