Finding the Third Proportional to 141,504 and 308,280

Step by Step Solution

1. Step 1: Write the proportion equation
   141,504 : 308,280 = 308,280 : x
2. Step 2: Convert to fraction form
   141,504/308,280 = 308,280/x
3. Step 3: Cross multiply
   141,504x = 308,280 × 308,280
4. Step 4: Simplify right side
   141,504x = 95,036,558,400
5. Step 5: Solve for x
   x = 95,036,558,400/141,504
6. Step 6: Final answer
   x = 671,617.47