Finding the Third Proportional to 366,795 and 777,748.50

Step by Step Solution

1. Step 1: Write the proportion equation
   366,795 : 777,748.50 = 777,748.50 : x
2. Step 2: Convert to fraction form
   366,795/777,748.50 = 777,748.50/x
3. Step 3: Cross multiply
   366,795x = 777,748.50 × 777,748.50
4. Step 4: Simplify right side
   366,795x = 604,892,729,252.25
5. Step 5: Solve for x
   x = 604,892,729,252.25/366,795
6. Step 6: Final answer
   x = 1,649,130.25