Finding the Third Proportional to 470,817 and 604,510.50

Step by Step Solution

1. Step 1: Write the proportion equation
   470,817 : 604,510.50 = 604,510.50 : x
2. Step 2: Convert to fraction form
   470,817/604,510.50 = 604,510.50/x
3. Step 3: Cross multiply
   470,817x = 604,510.50 × 604,510.50
4. Step 4: Simplify right side
   470,817x = 365,432,944,610.25
5. Step 5: Solve for x
   x = 365,432,944,610.25/470,817
6. Step 6: Final answer
   x = 776,167.69