Finding the Third Proportional to 664,174.50 and 1,375,609

Step by Step Solution

1. Step 1: Write the proportion equation
   664,174.50 : 1,375,609 = 1,375,609 : x
2. Step 2: Convert to fraction form
   664,174.50/1,375,609 = 1,375,609/x
3. Step 3: Cross multiply
   664,174.50x = 1,375,609 × 1,375,609
4. Step 4: Simplify right side
   664,174.50x = 1,892,300,120,881
5. Step 5: Solve for x
   x = 1,892,300,120,881/664,174.50
6. Step 6: Final answer
   x = 2,849,100.83