Finding the Third Proportional to 314,286 and 486,544.50

Step by Step Solution

1. Step 1: Write the proportion equation
   314,286 : 486,544.50 = 486,544.50 : x
2. Step 2: Convert to fraction form
   314,286/486,544.50 = 486,544.50/x
3. Step 3: Cross multiply
   314,286x = 486,544.50 × 486,544.50
4. Step 4: Simplify right side
   314,286x = 236,725,550,480.25
5. Step 5: Solve for x
   x = 236,725,550,480.25/314,286
6. Step 6: Final answer
   x = 753,216.98