Finding the Third Proportional to 715,509 and 968,287.50

Step by Step Solution

1. Step 1: Write the proportion equation
   715,509 : 968,287.50 = 968,287.50 : x
2. Step 2: Convert to fraction form
   715,509/968,287.50 = 968,287.50/x
3. Step 3: Cross multiply
   715,509x = 968,287.50 × 968,287.50
4. Step 4: Simplify right side
   715,509x = 937,580,682,656.25
5. Step 5: Solve for x
   x = 937,580,682,656.25/715,509
6. Step 6: Final answer
   x = 1,310,368.82