Finding the Third Proportional to 373,605.50 and 773,795.50

Step by Step Solution

1. Step 1: Write the proportion equation
   373,605.50 : 773,795.50 = 773,795.50 : x
2. Step 2: Convert to fraction form
   373,605.50/773,795.50 = 773,795.50/x
3. Step 3: Cross multiply
   373,605.50x = 773,795.50 × 773,795.50
4. Step 4: Simplify right side
   373,605.50x = 598,759,475,820.25
5. Step 5: Solve for x
   x = 598,759,475,820.25/373,605.50
6. Step 6: Final answer
   x = 1,602,651.66