Finding the Third Proportional to 440,794.50 and 609,078

Step by Step Solution

1. Step 1: Write the proportion equation
   440,794.50 : 609,078 = 609,078 : x
2. Step 2: Convert to fraction form
   440,794.50/609,078 = 609,078/x
3. Step 3: Cross multiply
   440,794.50x = 609,078 × 609,078
4. Step 4: Simplify right side
   440,794.50x = 370,976,010,084
5. Step 5: Solve for x
   x = 370,976,010,084/440,794.50
6. Step 6: Final answer
   x = 841,607.62