Finding the Third Proportional to 470,348 and 709,928.50

Step by Step Solution

1. Step 1: Write the proportion equation
   470,348 : 709,928.50 = 709,928.50 : x
2. Step 2: Convert to fraction form
   470,348/709,928.50 = 709,928.50/x
3. Step 3: Cross multiply
   470,348x = 709,928.50 × 709,928.50
4. Step 4: Simplify right side
   470,348x = 503,998,475,112.25
5. Step 5: Solve for x
   x = 503,998,475,112.25/470,348
6. Step 6: Final answer
   x = 1,071,543.78