Finding the Third Proportional to 67,272 and 141,513

Step by Step Solution

1. Step 1: Write the proportion equation
   67,272 : 141,513 = 141,513 : x
2. Step 2: Convert to fraction form
   67,272/141,513 = 141,513/x
3. Step 3: Cross multiply
   67,272x = 141,513 × 141,513
4. Step 4: Simplify right side
   67,272x = 20,025,929,169
5. Step 5: Solve for x
   x = 20,025,929,169/67,272
6. Step 6: Final answer
   x = 297,685.95