Finding the Third Proportional to 617,672.25 and 1,333,759.50

Step by Step Solution

1. Step 1: Write the proportion equation
   617,672.25 : 1,333,759.50 = 1,333,759.50 : x
2. Step 2: Convert to fraction form
   617,672.25/1,333,759.50 = 1,333,759.50/x
3. Step 3: Cross multiply
   617,672.25x = 1,333,759.50 × 1,333,759.50
4. Step 4: Simplify right side
   617,672.25x = 1,778,914,403,840.25
5. Step 5: Solve for x
   x = 1,778,914,403,840.25/617,672.25
6. Step 6: Final answer
   x = 2,880,029.67