Finding the Third Proportional to 274,034 and 430,476.50

Step by Step Solution

1. Step 1: Write the proportion equation
   274,034 : 430,476.50 = 430,476.50 : x
2. Step 2: Convert to fraction form
   274,034/430,476.50 = 430,476.50/x
3. Step 3: Cross multiply
   274,034x = 430,476.50 × 430,476.50
4. Step 4: Simplify right side
   274,034x = 185,310,017,052.25
5. Step 5: Solve for x
   x = 185,310,017,052.25/274,034
6. Step 6: Final answer
   x = 676,230.02