Finding the Third Proportional to 470,389.50 and 706,644

Step by Step Solution

1. Step 1: Write the proportion equation
   470,389.50 : 706,644 = 706,644 : x
2. Step 2: Convert to fraction form
   470,389.50/706,644 = 706,644/x
3. Step 3: Cross multiply
   470,389.50x = 706,644 × 706,644
4. Step 4: Simplify right side
   470,389.50x = 499,345,742,736
5. Step 5: Solve for x
   x = 499,345,742,736/470,389.50
6. Step 6: Final answer
   x = 1,061,558.01