Finding the Third Proportional to 355,713 and 770,944.50

Step by Step Solution

1. Step 1: Write the proportion equation
   355,713 : 770,944.50 = 770,944.50 : x
2. Step 2: Convert to fraction form
   355,713/770,944.50 = 770,944.50/x
3. Step 3: Cross multiply
   355,713x = 770,944.50 × 770,944.50
4. Step 4: Simplify right side
   355,713x = 594,355,422,080.25
5. Step 5: Solve for x
   x = 594,355,422,080.25/355,713
6. Step 6: Final answer
   x = 1,670,884.74