Finding the Third Proportional to 67,312 and 141,588

Step by Step Solution

1. Step 1: Write the proportion equation
   67,312 : 141,588 = 141,588 : x
2. Step 2: Convert to fraction form
   67,312/141,588 = 141,588/x
3. Step 3: Cross multiply
   67,312x = 141,588 × 141,588
4. Step 4: Simplify right side
   67,312x = 20,047,161,744
5. Step 5: Solve for x
   x = 20,047,161,744/67,312
6. Step 6: Final answer
   x = 297,824.49