Finding the Third Proportional to 915,610.50 and 1,394,739

Step by Step Solution

1. Step 1: Write the proportion equation
   915,610.50 : 1,394,739 = 1,394,739 : x
2. Step 2: Convert to fraction form
   915,610.50/1,394,739 = 1,394,739/x
3. Step 3: Cross multiply
   915,610.50x = 1,394,739 × 1,394,739
4. Step 4: Simplify right side
   915,610.50x = 1,945,296,878,121
5. Step 5: Solve for x
   x = 1,945,296,878,121/915,610.50
6. Step 6: Final answer
   x = 2,124,589.96