Finding the Third Proportional to 679,105.88 and 919,010.75

Step by Step Solution

1. Step 1: Write the proportion equation
   679,105.88 : 919,010.75 = 919,010.75 : x
2. Step 2: Convert to fraction form
   679,105.88/919,010.75 = 919,010.75/x
3. Step 3: Cross multiply
   679,105.88x = 919,010.75 × 919,010.75
4. Step 4: Simplify right side
   679,105.88x = 844,580,758,615.56
5. Step 5: Solve for x
   x = 844,580,758,615.56/679,105.88
6. Step 6: Final answer
   x = 1,243,665.81