Finding the Third Proportional to 464,857 and 718,309.50

Step by Step Solution

1. Step 1: Write the proportion equation
   464,857 : 718,309.50 = 718,309.50 : x
2. Step 2: Convert to fraction form
   464,857/718,309.50 = 718,309.50/x
3. Step 3: Cross multiply
   464,857x = 718,309.50 × 718,309.50
4. Step 4: Simplify right side
   464,857x = 515,968,537,790.25
5. Step 5: Solve for x
   x = 515,968,537,790.25/464,857
6. Step 6: Final answer
   x = 1,109,951.10