Finding the Third Proportional to 617,175 and 925,759.50

Step by Step Solution

1. Step 1: Write the proportion equation
   617,175 : 925,759.50 = 925,759.50 : x
2. Step 2: Convert to fraction form
   617,175/925,759.50 = 925,759.50/x
3. Step 3: Cross multiply
   617,175x = 925,759.50 × 925,759.50
4. Step 4: Simplify right side
   617,175x = 857,030,651,840.25
5. Step 5: Solve for x
   x = 857,030,651,840.25/617,175
6. Step 6: Final answer
   x = 1,388,634.75