Finding the Third Proportional to 664,264.50 and 1,375,772.25

Step by Step Solution

1. Step 1: Write the proportion equation
   664,264.50 : 1,375,772.25 = 1,375,772.25 : x
2. Step 2: Convert to fraction form
   664,264.50/1,375,772.25 = 1,375,772.25/x
3. Step 3: Cross multiply
   664,264.50x = 1,375,772.25 × 1,375,772.25
4. Step 4: Simplify right side
   664,264.50x = 1,892,749,283,870.06
5. Step 5: Solve for x
   x = 1,892,749,283,870.06/664,264.50
6. Step 6: Final answer
   x = 2,849,390.99