Finding the Third Proportional to 349,275 and 763,930.50

Step by Step Solution

1. Step 1: Write the proportion equation
   349,275 : 763,930.50 = 763,930.50 : x
2. Step 2: Convert to fraction form
   349,275/763,930.50 = 763,930.50/x
3. Step 3: Cross multiply
   349,275x = 763,930.50 × 763,930.50
4. Step 4: Simplify right side
   349,275x = 583,589,808,830.25
5. Step 5: Solve for x
   x = 583,589,808,830.25/349,275
6. Step 6: Final answer
   x = 1,670,860.52