Finding the Third Proportional to 470,521.50 and 706,846.50

Step by Step Solution

1. Step 1: Write the proportion equation
   470,521.50 : 706,846.50 = 706,846.50 : x
2. Step 2: Convert to fraction form
   470,521.50/706,846.50 = 706,846.50/x
3. Step 3: Cross multiply
   470,521.50x = 706,846.50 × 706,846.50
4. Step 4: Simplify right side
   470,521.50x = 499,631,974,562.25
5. Step 5: Solve for x
   x = 499,631,974,562.25/470,521.50
6. Step 6: Final answer
   x = 1,061,868.53