Finding the Third Proportional to 470,410.50 and 716,679

Step by Step Solution

1. Step 1: Write the proportion equation
   470,410.50 : 716,679 = 716,679 : x
2. Step 2: Convert to fraction form
   470,410.50/716,679 = 716,679/x
3. Step 3: Cross multiply
   470,410.50x = 716,679 × 716,679
4. Step 4: Simplify right side
   470,410.50x = 513,628,789,041
5. Step 5: Solve for x
   x = 513,628,789,041/470,410.50
6. Step 6: Final answer
   x = 1,091,873.56